二次方程式の暗算

暗記

watanabe-kenji 2023年08月21日カード864 いいね2

因数分解型と平方完成型の二次方程式が全部で864問あります。
若干平方完成型の方が多いです。因数分解型(324問 37.5%) 平方完成型(540問 62.5%)

★ヒントは，平方完成後，もしくは因数分解後の結果が表示されます。

x²+2x+1=0 (x+1)²=0

x=-1
x²+3x+2=0 (x+1)(x+2)=0

x=-1,-2
x²+4x+3=0 (x+1)(x+3)=0

x=-1,-3
x²+5x+4=0 (x+1)(x+4)=0

x=-1,-4
x²+6x+5=0 (x+1)(x+5)=0

x=-1,-5
x²+7x+6=0 (x+1)(x+6)=0

x=-1,-6
x²+8x+7=0 (x+1)(x+7)=0

x=-1,-7
x²+9x+8=0 (x+1)(x+8)=0

x=-1,-8
x²+10x+9=0 (x+1)(x+9)=0

x=-1,-9
x²+3x+2=0 (x+2)(x+1)=0

x=-2,-1
x²+4x+4=0 (x+2)²=0

x=-2
x²+5x+6=0 (x+2)(x+3)=0

x=-2,-3
x²+6x+8=0 (x+2)(x+4)=0

x=-2,-4
x²+7x+10=0 (x+2)(x+5)=0

x=-2,-5
x²+8x+12=0 (x+2)(x+6)=0

x=-2,-6
x²+9x+14=0 (x+2)(x+7)=0

x=-2,-7
x²+10x+16=0 (x+2)(x+8)=0

x=-2,-8
x²+11x+18=0 (x+2)(x+9)=0

x=-2,-9
x²+4x+3=0 (x+3)(x+1)=0

x=-3,-1
x²+5x+6=0 (x+3)(x+2)=0

x=-3,-2
x²+6x+9=0 (x+3)²=0

x=-3
x²+7x+12=0 (x+3)(x+4)=0

x=-3,-4
x²+8x+15=0 (x+3)(x+5)=0

x=-3,-5
x²+9x+18=0 (x+3)(x+6)=0

x=-3,-6
x²+10x+21=0 (x+3)(x+7)=0

x=-3,-7
x²+11x+24=0 (x+3)(x+8)=0

x=-3,-8
x²+12x+27=0 (x+3)(x+9)=0

x=-3,-9
x²+5x+4=0 (x+4)(x+1)=0

x=-4,-1
x²+6x+8=0 (x+4)(x+2)=0

x=-4,-2
x²+7x+12=0 (x+4)(x+3)=0

x=-4,-3
x²+8x+16=0 (x+4)²=0

x=-4
x²+9x+20=0 (x+4)(x+5)=0

x=-4,-5
x²+10x+24=0 (x+4)(x+6)=0

x=-4,-6
x²+11x+28=0 (x+4)(x+7)=0

x=-4,-7
x²+12x+32=0 (x+4)(x+8)=0

x=-4,-8
x²+13x+36=0 (x+4)(x+9)=0

x=-4,-9
x²+6x+5=0 (x+5)(x+1)=0

x=-5,-1
x²+7x+10=0 (x+5)(x+2)=0

x=-5,-2
x²+8x+15=0 (x+5)(x+3)=0

x=-5,-3
x²+9x+20=0 (x+5)(x+4)=0

x=-5,-4
x²+10x+25=0 (x+5)²=0

x=-5
x²+11x+30=0 (x+5)(x+6)=0

x=-5,-6
x²+12x+35=0 (x+5)(x+7)=0

x=-5,-7
x²+13x+40=0 (x+5)(x+8)=0

x=-5,-8
x²+14x+45=0 (x+5)(x+9)=0

x=-5,-9
x²+7x+6=0 (x+6)(x+1)=0

x=-6,-1
x²+8x+12=0 (x+6)(x+2)=0

x=-6,-2
x²+9x+18=0 (x+6)(x+3)=0

x=-6,-3
x²+10x+24=0 (x+6)(x+4)=0

x=-6,-4
x²+11x+30=0 (x+6)(x+5)=0

x=-6,-5
x²+12x+36=0 (x+6)²=0

x=-6
x²+13x+42=0 (x+6)(x+7)=0

x=-6,-7
x²+14x+48=0 (x+6)(x+8)=0

x=-6,-8
x²+15x+54=0 (x+6)(x+9)=0

x=-6,-9
x²+8x+7=0 (x+7)(x+1)=0

x=-7,-1
x²+9x+14=0 (x+7)(x+2)=0

x=-7,-2
x²+10x+21=0 (x+7)(x+3)=0

x=-7,-3
x²+11x+28=0 (x+7)(x+4)=0

x=-7,-4
x²+12x+35=0 (x+7)(x+5)=0

x=-7,-5
x²+13x+42=0 (x+7)(x+6)=0

x=-7,-6
x²+14x+49=0 (x+7)²=0

x=-7
x²+15x+56=0 (x+7)(x+8)=0

x=-7,-8
x²+16x+63=0 (x+7)(x+9)=0

x=-7,-9
x²+9x+8=0 (x+8)(x+1)=0

x=-8,-1
x²+10x+16=0 (x+8)(x+2)=0

x=-8,-2
x²+11x+24=0 (x+8)(x+3)=0

x=-8,-3
x²+12x+32=0 (x+8)(x+4)=0

x=-8,-4
x²+13x+40=0 (x+8)(x+5)=0

x=-8,-5
x²+14x+48=0 (x+8)(x+6)=0

x=-8,-6
x²+15x+56=0 (x+8)(x+7)=0

x=-8,-7
x²+16x+64=0 (x+8)²=0

x=-8
x²+17x+72=0 (x+8)(x+9)=0

x=-8,-9
x²+10x+9=0 (x+9)(x+1)=0

x=-9,-1
x²+11x+18=0 (x+9)(x+2)=0

x=-9,-2
x²+12x+27=0 (x+9)(x+3)=0

x=-9,-3
x²+13x+36=0 (x+9)(x+4)=0

x=-9,-4
x²+14x+45=0 (x+9)(x+5)=0

x=-9,-5
x²+15x+54=0 (x+9)(x+6)=0

x=-9,-6
x²+16x+63=0 (x+9)(x+7)=0

x=-9,-7
x²+17x+72=0 (x+9)(x+8)=0

x=-9,-8
x²+18x+81=0 (x+9)²=0

x=-9
x²-1=0 (x+1)(x-1)=0

x=-1,1
x²-x-2=0 (x+1)(x-2)=0

x=-1,2
x²-2x-3=0 (x+1)(x-3)=0

x=-1,3
x²-3x-4=0 (x+1)(x-4)=0

x=-1,4
x²-4x-5=0 (x+1)(x-5)=0

x=-1,5
x²-5x-6=0 (x+1)(x-6)=0

x=-1,6
x²-6x-7=0 (x+1)(x-7)=0

x=-1,7
x²-7x-8=0 (x+1)(x-8)=0

x=-1,8
x²-8x-9=0 (x+1)(x-9)=0

x=-1,9
x²+x-2=0 (x+2)(x-1)=0

x=-2,1
x²-4=0 (x+2)(x-2)=0

x=-2,2
x²-x-6=0 (x+2)(x-3)=0

x=-2,3
x²-2x-8=0 (x+2)(x-4)=0

x=-2,4
x²-3x-10=0 (x+2)(x-5)=0

x=-2,5
x²-4x-12=0 (x+2)(x-6)=0

x=-2,6
x²-5x-14=0 (x+2)(x-7)=0

x=-2,7
x²-6x-16=0 (x+2)(x-8)=0

x=-2,8
x²-7x-18=0 (x+2)(x-9)=0

x=-2,9
x²+2x-3=0 (x+3)(x-1)=0

x=-3,1
x²+x-6=0 (x+3)(x-2)=0

x=-3,2
x²-9=0 (x+3)(x-3)=0

x=-3,3
x²-x-12=0 (x+3)(x-4)=0

x=-3,4
x²-2x-15=0 (x+3)(x-5)=0

x=-3,5
x²-3x-18=0 (x+3)(x-6)=0

x=-3,6
x²-4x-21=0 (x+3)(x-7)=0

x=-3,7
x²-5x-24=0 (x+3)(x-8)=0

x=-3,8
x²-6x-27=0 (x+3)(x-9)=0

x=-3,9
x²+3x-4=0 (x+4)(x-1)=0

x=-4,1
x²+2x-8=0 (x+4)(x-2)=0

x=-4,2
x²+x-12=0 (x+4)(x-3)=0

x=-4,3
x²-16=0 (x+4)(x-4)=0

x=-4,4
x²-x-20=0 (x+4)(x-5)=0

x=-4,5
x²-2x-24=0 (x+4)(x-6)=0

x=-4,6
x²-3x-28=0 (x+4)(x-7)=0

x=-4,7
x²-4x-32=0 (x+4)(x-8)=0

x=-4,8
x²-5x-36=0 (x+4)(x-9)=0

x=-4,9
x²+4x-5=0 (x+5)(x-1)=0

x=-5,1
x²+3x-10=0 (x+5)(x-2)=0

x=-5,2
x²+2x-15=0 (x+5)(x-3)=0

x=-5,3
x²+x-20=0 (x+5)(x-4)=0

x=-5,4
x²-25=0 (x+5)(x-5)=0

x=-5,5
x²-x-30=0 (x+5)(x-6)=0

x=-5,6
x²-2x-35=0 (x+5)(x-7)=0

x=-5,7
x²-3x-40=0 (x+5)(x-8)=0

x=-5,8
x²-4x-45=0 (x+5)(x-9)=0

x=-5,9
x²+5x-6=0 (x+6)(x-1)=0

x=-6,1
x²+4x-12=0 (x+6)(x-2)=0

x=-6,2
x²+3x-18=0 (x+6)(x-3)=0

x=-6,3
x²+2x-24=0 (x+6)(x-4)=0

x=-6,4
x²+x-30=0 (x+6)(x-5)=0

x=-6,5
x²-36=0 (x+6)(x-6)=0

x=-6,6
x²-x-42=0 (x+6)(x-7)=0

x=-6,7
x²-2x-48=0 (x+6)(x-8)=0

x=-6,8
x²-3x-54=0 (x+6)(x-9)=0

x=-6,9
x²+6x-7=0 (x+7)(x-1)=0

x=-7,1
x²+5x-14=0 (x+7)(x-2)=0

x=-7,2
x²+4x-21=0 (x+7)(x-3)=0

x=-7,3
x²+3x-28=0 (x+7)(x-4)=0

x=-7,4
x²+2x-35=0 (x+7)(x-5)=0

x=-7,5
x²+x-42=0 (x+7)(x-6)=0

x=-7,6
x²-49=0 (x+7)(x-7)=0

x=-7,7
x²-x-56=0 (x+7)(x-8)=0

x=-7,8
x²-2x-63=0 (x+7)(x-9)=0

x=-7,9
x²+7x-8=0 (x+8)(x-1)=0

x=-8,1
x²+6x-16=0 (x+8)(x-2)=0

x=-8,2
x²+5x-24=0 (x+8)(x-3)=0

x=-8,3
x²+4x-32=0 (x+8)(x-4)=0

x=-8,4
x²+3x-40=0 (x+8)(x-5)=0

x=-8,5
x²+2x-48=0 (x+8)(x-6)=0

x=-8,6
x²+x-56=0 (x+8)(x-7)=0

x=-8,7
x²-64=0 (x+8)(x-8)=0

x=-8,8
x²-x-72=0 (x+8)(x-9)=0

x=-8,9
x²+8x-9=0 (x+9)(x-1)=0

x=-9,1
x²+7x-18=0 (x+9)(x-2)=0

x=-9,2
x²+6x-27=0 (x+9)(x-3)=0

x=-9,3
x²+5x-36=0 (x+9)(x-4)=0

x=-9,4
x²+4x-45=0 (x+9)(x-5)=0

x=-9,5
x²+3x-54=0 (x+9)(x-6)=0

x=-9,6
x²+2x-63=0 (x+9)(x-7)=0

x=-9,7
x²+x-72=0 (x+9)(x-8)=0

x=-9,8
x²-81=0 (x+9)(x-9)=0

x=-9,9
x²-1=0 (x-1)(x+1)=0

x=1,-1
x²+x-2=0 (x-1)(x+2)=0

x=1,-2
x²+2x-3=0 (x-1)(x+3)=0

x=1,-3
x²+3x-4=0 (x-1)(x+4)=0

x=1,-4
x²+4x-5=0 (x-1)(x+5)=0

x=1,-5
x²+5x-6=0 (x-1)(x+6)=0

x=1,-6
x²+6x-7=0 (x-1)(x+7)=0

x=1,-7
x²+7x-8=0 (x-1)(x+8)=0

x=1,-8
x²+8x-9=0 (x-1)(x+9)=0

x=1,-9
x²-x-2=0 (x-2)(x+1)=0

x=2,-1
x²-4=0 (x-2)(x+2)=0

x=2,-2
x²+x-6=0 (x-2)(x+3)=0

x=2,-3
x²+2x-8=0 (x-2)(x+4)=0

x=2,-4
x²+3x-10=0 (x-2)(x+5)=0

x=2,-5
x²+4x-12=0 (x-2)(x+6)=0

x=2,-6
x²+5x-14=0 (x-2)(x+7)=0

x=2,-7
x²+6x-16=0 (x-2)(x+8)=0

x=2,-8
x²+7x-18=0 (x-2)(x+9)=0

x=2,-9
x²-2x-3=0 (x-3)(x+1)=0

x=3,-1
x²-x-6=0 (x-3)(x+2)=0

x=3,-2
x²-9=0 (x-3)(x+3)=0

x=3,-3
x²+x-12=0 (x-3)(x+4)=0

x=3,-4
x²+2x-15=0 (x-3)(x+5)=0

x=3,-5
x²+3x-18=0 (x-3)(x+6)=0

x=3,-6
x²+4x-21=0 (x-3)(x+7)=0

x=3,-7
x²+5x-24=0 (x-3)(x+8)=0

x=3,-8
x²+6x-27=0 (x-3)(x+9)=0

x=3,-9
x²-3x-4=0 (x-4)(x+1)=0

x=4,-1
x²-2x-8=0 (x-4)(x+2)=0

x=4,-2
x²-x-12=0 (x-4)(x+3)=0

x=4,-3
x²-16=0 (x-4)(x+4)=0

x=4,-4
x²+x-20=0 (x-4)(x+5)=0

x=4,-5
x²+2x-24=0 (x-4)(x+6)=0

x=4,-6
x²+3x-28=0 (x-4)(x+7)=0

x=4,-7
x²+4x-32=0 (x-4)(x+8)=0

x=4,-8
x²+5x-36=0 (x-4)(x+9)=0

x=4,-9
x²-4x-5=0 (x-5)(x+1)=0

x=5,-1
x²-3x-10=0 (x-5)(x+2)=0

x=5,-2
x²-2x-15=0 (x-5)(x+3)=0

x=5,-3
x²-x-20=0 (x-5)(x+4)=0

x=5,-4
x²-25=0 (x-5)(x+5)=0

x=5,-5
x²+x-30=0 (x-5)(x+6)=0

x=5,-6
x²+2x-35=0 (x-5)(x+7)=0

x=5,-7
x²+3x-40=0 (x-5)(x+8)=0

x=5,-8
x²+4x-45=0 (x-5)(x+9)=0

x=5,-9
x²-5x-6=0 (x-6)(x+1)=0

x=6,-1
x²-4x-12=0 (x-6)(x+2)=0

x=6,-2
x²-3x-18=0 (x-6)(x+3)=0

x=6,-3
x²-2x-24=0 (x-6)(x+4)=0

x=6,-4
x²-x-30=0 (x-6)(x+5)=0

x=6,-5
x²-36=0 (x-6)(x+6)=0

x=6,-6
x²+x-42=0 (x-6)(x+7)=0

x=6,-7
x²+2x-48=0 (x-6)(x+8)=0

x=6,-8
x²+3x-54=0 (x-6)(x+9)=0

x=6,-9
x²-6x-7=0 (x-7)(x+1)=0

x=7,-1
x²-5x-14=0 (x-7)(x+2)=0

x=7,-2
x²-4x-21=0 (x-7)(x+3)=0

x=7,-3
x²-3x-28=0 (x-7)(x+4)=0

x=7,-4
x²-2x-35=0 (x-7)(x+5)=0

x=7,-5
x²-x-42=0 (x-7)(x+6)=0

x=7,-6
x²-49=0 (x-7)(x+7)=0

x=7,-7
x²+x-56=0 (x-7)(x+8)=0

x=7,-8
x²+2x-63=0 (x-7)(x+9)=0

x=7,-9
x²-7x-8=0 (x-8)(x+1)=0

x=8,-1
x²-6x-16=0 (x-8)(x+2)=0

x=8,-2
x²-5x-24=0 (x-8)(x+3)=0

x=8,-3
x²-4x-32=0 (x-8)(x+4)=0

x=8,-4
x²-3x-40=0 (x-8)(x+5)=0

x=8,-5
x²-2x-48=0 (x-8)(x+6)=0

x=8,-6
x²-x-56=0 (x-8)(x+7)=0

x=8,-7
x²-64=0 (x-8)(x+8)=0

x=8,-8
x²+x-72=0 (x-8)(x+9)=0

x=8,-9
x²-8x-9=0 (x-9)(x+1)=0

x=9,-1
x²-7x-18=0 (x-9)(x+2)=0

x=9,-2
x²-6x-27=0 (x-9)(x+3)=0

x=9,-3
x²-5x-36=0 (x-9)(x+4)=0

x=9,-4
x²-4x-45=0 (x-9)(x+5)=0

x=9,-5
x²-3x-54=0 (x-9)(x+6)=0

x=9,-6
x²-2x-63=0 (x-9)(x+7)=0

x=9,-7
x²-x-72=0 (x-9)(x+8)=0

x=9,-8
x²-81=0 (x-9)(x+9)=0

x=9,-9
x²-2x+1=0 (x-1)²=0

x=1
x²-3x+2=0 (x-1)(x-2)=0

x=1,2
x²-4x+3=0 (x-1)(x-3)=0

x=1,3
x²-5x+4=0 (x-1)(x-4)=0

x=1,4
x²-6x+5=0 (x-1)(x-5)=0

x=1,5
x²-7x+6=0 (x-1)(x-6)=0

x=1,6
x²-8x+7=0 (x-1)(x-7)=0

x=1,7
x²-9x+8=0 (x-1)(x-8)=0

x=1,8
x²-10x+9=0 (x-1)(x-9)=0

x=1,9
x²-3x+2=0 (x-2)(x-1)=0

x=2,1
x²-4x+4=0 (x-2)²=0

x=2
x²-5x+6=0 (x-2)(x-3)=0

x=2,3
x²-6x+8=0 (x-2)(x-4)=0

x=2,4
x²-7x+10=0 (x-2)(x-5)=0

x=2,5
x²-8x+12=0 (x-2)(x-6)=0

x=2,6
x²-9x+14=0 (x-2)(x-7)=0

x=2,7
x²-10x+16=0 (x-2)(x-8)=0

x=2,8
x²-11x+18=0 (x-2)(x-9)=0

x=2,9
x²-4x+3=0 (x-3)(x-1)=0

x=3,1
x²-5x+6=0 (x-3)(x-2)=0

x=3,2
x²-6x+9=0 (x-3)²=0

x=3
x²-7x+12=0 (x-3)(x-4)=0

x=3,4
x²-8x+15=0 (x-3)(x-5)=0

x=3,5
x²-9x+18=0 (x-3)(x-6)=0

x=3,6
x²-10x+21=0 (x-3)(x-7)=0

x=3,7
x²-11x+24=0 (x-3)(x-8)=0

x=3,8
x²-12x+27=0 (x-3)(x-9)=0

x=3,9
x²-5x+4=0 (x-4)(x-1)=0

x=4,1
x²-6x+8=0 (x-4)(x-2)=0

x=4,2
x²-7x+12=0 (x-4)(x-3)=0

x=4,3
x²-8x+16=0 (x-4)²=0

x=4
x²-9x+20=0 (x-4)(x-5)=0

x=4,5
x²-10x+24=0 (x-4)(x-6)=0

x=4,6
x²-11x+28=0 (x-4)(x-7)=0

x=4,7
x²-12x+32=0 (x-4)(x-8)=0

x=4,8
x²-13x+36=0 (x-4)(x-9)=0

x=4,9
x²-6x+5=0 (x-5)(x-1)=0

x=5,1
x²-7x+10=0 (x-5)(x-2)=0

x=5,2
x²-8x+15=0 (x-5)(x-3)=0

x=5,3
x²-9x+20=0 (x-5)(x-4)=0

x=5,4
x²-10x+25=0 (x-5)²=0

x=5
x²-11x+30=0 (x-5)(x-6)=0

x=5,6
x²-12x+35=0 (x-5)(x-7)=0

x=5,7
x²-13x+40=0 (x-5)(x-8)=0

x=5,8
x²-14x+45=0 (x-5)(x-9)=0

x=5,9
x²-7x+6=0 (x-6)(x-1)=0

x=6,1
x²-8x+12=0 (x-6)(x-2)=0

x=6,2
x²-9x+18=0 (x-6)(x-3)=0

x=6,3
x²-10x+24=0 (x-6)(x-4)=0

x=6,4
x²-11x+30=0 (x-6)(x-5)=0

x=6,5
x²-12x+36=0 (x-6)²=0

x=6
x²-13x+42=0 (x-6)(x-7)=0

x=6,7
x²-14x+48=0 (x-6)(x-8)=0

x=6,8
x²-15x+54=0 (x-6)(x-9)=0

x=6,9
x²-8x+7=0 (x-7)(x-1)=0

x=7,1
x²-9x+14=0 (x-7)(x-2)=0

x=7,2
x²-10x+21=0 (x-7)(x-3)=0

x=7,3
x²-11x+28=0 (x-7)(x-4)=0

x=7,4
x²-12x+35=0 (x-7)(x-5)=0

x=7,5
x²-13x+42=0 (x-7)(x-6)=0

x=7,6
x²-14x+49=0 (x-7)²=0

x=7
x²-15x+56=0 (x-7)(x-8)=0

x=7,8
x²-16x+63=0 (x-7)(x-9)=0

x=7,9
x²-9x+8=0 (x-8)(x-1)=0

x=8,1
x²-10x+16=0 (x-8)(x-2)=0

x=8,2
x²-11x+24=0 (x-8)(x-3)=0

x=8,3
x²-12x+32=0 (x-8)(x-4)=0

x=8,4
x²-13x+40=0 (x-8)(x-5)=0

x=8,5
x²-14x+48=0 (x-8)(x-6)=0

x=8,6
x²-15x+56=0 (x-8)(x-7)=0

x=8,7
x²-16x+64=0 (x-8)²=0

x=8
x²-17x+72=0 (x-8)(x-9)=0

x=8,9
x²-10x+9=0 (x-9)(x-1)=0

x=9,1
x²-11x+18=0 (x-9)(x-2)=0

x=9,2
x²-12x+27=0 (x-9)(x-3)=0

x=9,3
x²-13x+36=0 (x-9)(x-4)=0

x=9,4
x²-14x+45=0 (x-9)(x-5)=0

x=9,5
x²-15x+54=0 (x-9)(x-6)=0

x=9,6
x²-16x+63=0 (x-9)(x-7)=0

x=9,7
x²-17x+72=0 (x-9)(x-8)=0

x=9,8
x²-18x+81=0 (x-9)²=0

x=9
x²+2x-1=0 (x+1)²=2

x=-1±√2
x²+2x-2=0 (x+1)²=3

x=-1±√3
x²+2x-4=0 (x+1)²=5

x=-1±√5
x²+2x-5=0 (x+1)²=6

x=-1±√6
x²+2x-6=0 (x+1)²=7

x=-1±√7
x²+2x-7=0 (x+1)²=8

x=-1±2√2
x²+2x-9=0 (x+1)²=10

x=-1±√10
x²+2x-10=0 (x+1)²=11

x=-1±√11
x²+2x-11=0 (x+1)²=12

x=-1±2√3
x²+2x-13=0 (x+1)²=14

x=-1±√14
x²+2x-14=0 (x+1)²=15

x=-1±√15
x²+2x-17=0 (x+1)²=18

x=-1±3√2
x²+2x-19=0 (x+1)²=20

x=-1±2√5
x²+2x-23=0 (x+1)²=24

x=-1±2√6
x²+2x-26=0 (x+1)²=27

x=-1±3√3
x²+2x-27=0 (x+1)²=28

x=-1±2√7
x²+2x-29=0 (x+1)²=30

x=-1±√30
x²+2x-31=0 (x+1)²=32

x=-1±4√2
x²+2x-34=0 (x+1)²=35

x=-1±√35
x²+2x-39=0 (x+1)²=40

x=-1±2√10
x²+2x-44=0 (x+1)²=45

x=-1±3√5
x²+2x-47=0 (x+1)²=48

x=-1±4√3
x²+2x-49=0 (x+1)²=50

x=-1±5√2
x²+2x-53=0 (x+1)²=54

x=-1±3√6
x²+2x-62=0 (x+1)²=63

x=-1±3√7
x²+2x-71=0 (x+1)²=72

x=-1±6√2
x²+2x-74=0 (x+1)²=75

x=-1±5√3
x²+2x-79=0 (x+1)²=80

x=-1±4√5
x²+2x-95=0 (x+1)²=96

x=-1±4√6
x²+2x-97=0 (x+1)²=98

x=-1±7√2
x²+4x+2=0 (x+2)²=2

x=-2±√2
x²+4x+1=0 (x+2)²=3

x=-2±√3
x²+4x-1=0 (x+2)²=5

x=-2±√5
x²+4x-2=0 (x+2)²=6

x=-2±√6
x²+4x-3=0 (x+2)²=7

x=-2±√7
x²+4x-4=0 (x+2)²=8

x=-2±2√2
x²+4x-6=0 (x+2)²=10

x=-2±√10
x²+4x-7=0 (x+2)²=11

x=-2±√11
x²+4x-8=0 (x+2)²=12

x=-2±2√3
x²+4x-10=0 (x+2)²=14

x=-2±√14
x²+4x-11=0 (x+2)²=15

x=-2±√15
x²+4x-14=0 (x+2)²=18

x=-2±3√2
x²+4x-16=0 (x+2)²=20

x=-2±2√5
x²+4x-20=0 (x+2)²=24

x=-2±2√6
x²+4x-23=0 (x+2)²=27

x=-2±3√3
x²+4x-24=0 (x+2)²=28

x=-2±2√7
x²+4x-26=0 (x+2)²=30

x=-2±√30
x²+4x-28=0 (x+2)²=32

x=-2±4√2
x²+4x-31=0 (x+2)²=35

x=-2±√35
x²+4x-36=0 (x+2)²=40

x=-2±2√10
x²+4x-41=0 (x+2)²=45

x=-2±3√5
x²+4x-44=0 (x+2)²=48

x=-2±4√3
x²+4x-46=0 (x+2)²=50

x=-2±5√2
x²+4x-50=0 (x+2)²=54

x=-2±3√6
x²+4x-59=0 (x+2)²=63

x=-2±3√7
x²+4x-68=0 (x+2)²=72

x=-2±6√2
x²+4x-71=0 (x+2)²=75

x=-2±5√3
x²+4x-76=0 (x+2)²=80

x=-2±4√5
x²+4x-92=0 (x+2)²=96

x=-2±4√6
x²+4x-94=0 (x+2)²=98

x=-2±7√2
x²+6x+7=0 (x+3)²=2

x=-3±√2
x²+6x+6=0 (x+3)²=3

x=-3±√3
x²+6x+4=0 (x+3)²=5

x=-3±√5
x²+6x+3=0 (x+3)²=6

x=-3±√6
x²+6x+2=0 (x+3)²=7

x=-3±√7
x²+6x+1=0 (x+3)²=8

x=-3±2√2
x²+6x-1=0 (x+3)²=10

x=-3±√10
x²+6x-2=0 (x+3)²=11

x=-3±√11
x²+6x-3=0 (x+3)²=12

x=-3±2√3
x²+6x-5=0 (x+3)²=14

x=-3±√14
x²+6x-6=0 (x+3)²=15

x=-3±√15
x²+6x-9=0 (x+3)²=18

x=-3±3√2
x²+6x-11=0 (x+3)²=20

x=-3±2√5
x²+6x-15=0 (x+3)²=24

x=-3±2√6
x²+6x-18=0 (x+3)²=27

x=-3±3√3
x²+6x-19=0 (x+3)²=28

x=-3±2√7
x²+6x-21=0 (x+3)²=30

x=-3±√30
x²+6x-23=0 (x+3)²=32

x=-3±4√2
x²+6x-26=0 (x+3)²=35

x=-3±√35
x²+6x-31=0 (x+3)²=40

x=-3±2√10
x²+6x-36=0 (x+3)²=45

x=-3±3√5
x²+6x-39=0 (x+3)²=48

x=-3±4√3
x²+6x-41=0 (x+3)²=50

x=-3±5√2
x²+6x-45=0 (x+3)²=54

x=-3±3√6
x²+6x-54=0 (x+3)²=63

x=-3±3√7
x²+6x-63=0 (x+3)²=72

x=-3±6√2
x²+6x-66=0 (x+3)²=75

x=-3±5√3
x²+6x-71=0 (x+3)²=80

x=-3±4√5
x²+6x-87=0 (x+3)²=96

x=-3±4√6
x²+6x-89=0 (x+3)²=98

x=-3±7√2
x²+8x+14=0 (x+4)²=2

x=-4±√2
x²+8x+13=0 (x+4)²=3

x=-4±√3
x²+8x+11=0 (x+4)²=5

x=-4±√5
x²+8x+10=0 (x+4)²=6

x=-4±√6
x²+8x+9=0 (x+4)²=7

x=-4±√7
x²+8x+8=0 (x+4)²=8

x=-4±2√2
x²+8x+6=0 (x+4)²=10

x=-4±√10
x²+8x+5=0 (x+4)²=11

x=-4±√11
x²+8x+4=0 (x+4)²=12

x=-4±2√3
x²+8x+2=0 (x+4)²=14

x=-4±√14
x²+8x+1=0 (x+4)²=15

x=-4±√15
x²+8x-2=0 (x+4)²=18

x=-4±3√2
x²+8x-4=0 (x+4)²=20

x=-4±2√5
x²+8x-8=0 (x+4)²=24

x=-4±2√6
x²+8x-11=0 (x+4)²=27

x=-4±3√3
x²+8x-12=0 (x+4)²=28

x=-4±2√7
x²+8x-14=0 (x+4)²=30

x=-4±√30
x²+8x-16=0 (x+4)²=32

x=-4±4√2
x²+8x-19=0 (x+4)²=35

x=-4±√35
x²+8x-24=0 (x+4)²=40

x=-4±2√10
x²+8x-29=0 (x+4)²=45

x=-4±3√5
x²+8x-32=0 (x+4)²=48

x=-4±4√3
x²+8x-34=0 (x+4)²=50

x=-4±5√2
x²+8x-38=0 (x+4)²=54

x=-4±3√6
x²+8x-47=0 (x+4)²=63

x=-4±3√7
x²+8x-56=0 (x+4)²=72

x=-4±6√2
x²+8x-59=0 (x+4)²=75

x=-4±5√3
x²+8x-64=0 (x+4)²=80

x=-4±4√5
x²+8x-80=0 (x+4)²=96

x=-4±4√6
x²+8x-82=0 (x+4)²=98

x=-4±7√2
x²+10x+23=0 (x+5)²=2

x=-5±√2
x²+10x+22=0 (x+5)²=3

x=-5±√3
x²+10x+20=0 (x+5)²=5

x=-5±√5
x²+10x+19=0 (x+5)²=6

x=-5±√6
x²+10x+18=0 (x+5)²=7

x=-5±√7
x²+10x+17=0 (x+5)²=8

x=-5±2√2
x²+10x+15=0 (x+5)²=10

x=-5±√10
x²+10x+14=0 (x+5)²=11

x=-5±√11
x²+10x+13=0 (x+5)²=12

x=-5±2√3
x²+10x+11=0 (x+5)²=14

x=-5±√14
x²+10x+10=0 (x+5)²=15

x=-5±√15
x²+10x+7=0 (x+5)²=18

x=-5±3√2
x²+10x+5=0 (x+5)²=20

x=-5±2√5
x²+10x+1=0 (x+5)²=24

x=-5±2√6
x²+10x-2=0 (x+5)²=27

x=-5±3√3
x²+10x-3=0 (x+5)²=28

x=-5±2√7
x²+10x-5=0 (x+5)²=30

x=-5±√30
x²+10x-7=0 (x+5)²=32

x=-5±4√2
x²+10x-10=0 (x+5)²=35

x=-5±√35
x²+10x-15=0 (x+5)²=40

x=-5±2√10
x²+10x-20=0 (x+5)²=45

x=-5±3√5
x²+10x-23=0 (x+5)²=48

x=-5±4√3
x²+10x-25=0 (x+5)²=50

x=-5±5√2
x²+10x-29=0 (x+5)²=54

x=-5±3√6
x²+10x-38=0 (x+5)²=63

x=-5±3√7
x²+10x-47=0 (x+5)²=72

x=-5±6√2
x²+10x-50=0 (x+5)²=75

x=-5±5√3
x²+10x-55=0 (x+5)²=80

x=-5±4√5
x²+10x-71=0 (x+5)²=96

x=-5±4√6
x²+10x-73=0 (x+5)²=98

x=-5±7√2
x²+12x+34=0 (x+6)²=2

x=-6±√2
x²+12x+33=0 (x+6)²=3

x=-6±√3
x²+12x+31=0 (x+6)²=5

x=-6±√5
x²+12x+30=0 (x+6)²=6

x=-6±√6
x²+12x+29=0 (x+6)²=7

x=-6±√7
x²+12x+28=0 (x+6)²=8

x=-6±2√2
x²+12x+26=0 (x+6)²=10

x=-6±√10
x²+12x+25=0 (x+6)²=11

x=-6±√11
x²+12x+24=0 (x+6)²=12

x=-6±2√3
x²+12x+22=0 (x+6)²=14

x=-6±√14
x²+12x+21=0 (x+6)²=15

x=-6±√15
x²+12x+18=0 (x+6)²=18

x=-6±3√2
x²+12x+16=0 (x+6)²=20

x=-6±2√5
x²+12x+12=0 (x+6)²=24

x=-6±2√6
x²+12x+9=0 (x+6)²=27

x=-6±3√3
x²+12x+8=0 (x+6)²=28

x=-6±2√7
x²+12x+6=0 (x+6)²=30

x=-6±√30
x²+12x+4=0 (x+6)²=32

x=-6±4√2
x²+12x+1=0 (x+6)²=35

x=-6±√35
x²+12x-4=0 (x+6)²=40

x=-6±2√10
x²+12x-9=0 (x+6)²=45

x=-6±3√5
x²+12x-12=0 (x+6)²=48

x=-6±4√3
x²+12x-14=0 (x+6)²=50

x=-6±5√2
x²+12x-18=0 (x+6)²=54

x=-6±3√6
x²+12x-27=0 (x+6)²=63

x=-6±3√7
x²+12x-36=0 (x+6)²=72

x=-6±6√2
x²+12x-39=0 (x+6)²=75

x=-6±5√3
x²+12x-44=0 (x+6)²=80

x=-6±4√5
x²+12x-60=0 (x+6)²=96

x=-6±4√6
x²+12x-62=0 (x+6)²=98

x=-6±7√2
x²+14x+47=0 (x+7)²=2

x=-7±√2
x²+14x+46=0 (x+7)²=3

x=-7±√3
x²+14x+44=0 (x+7)²=5

x=-7±√5
x²+14x+43=0 (x+7)²=6

x=-7±√6
x²+14x+42=0 (x+7)²=7

x=-7±√7
x²+14x+41=0 (x+7)²=8

x=-7±2√2
x²+14x+39=0 (x+7)²=10

x=-7±√10
x²+14x+38=0 (x+7)²=11

x=-7±√11
x²+14x+37=0 (x+7)²=12

x=-7±2√3
x²+14x+35=0 (x+7)²=14

x=-7±√14
x²+14x+34=0 (x+7)²=15

x=-7±√15
x²+14x+31=0 (x+7)²=18

x=-7±3√2
x²+14x+29=0 (x+7)²=20

x=-7±2√5
x²+14x+25=0 (x+7)²=24

x=-7±2√6
x²+14x+22=0 (x+7)²=27

x=-7±3√3
x²+14x+21=0 (x+7)²=28

x=-7±2√7
x²+14x+19=0 (x+7)²=30

x=-7±√30
x²+14x+17=0 (x+7)²=32

x=-7±4√2
x²+14x+14=0 (x+7)²=35

x=-7±√35
x²+14x+9=0 (x+7)²=40

x=-7±2√10
x²+14x+4=0 (x+7)²=45

x=-7±3√5
x²+14x+1=0 (x+7)²=48

x=-7±4√3
x²+14x-1=0 (x+7)²=50

x=-7±5√2
x²+14x-5=0 (x+7)²=54

x=-7±3√6
x²+14x-14=0 (x+7)²=63

x=-7±3√7
x²+14x-23=0 (x+7)²=72

x=-7±6√2
x²+14x-26=0 (x+7)²=75

x=-7±5√3
x²+14x-31=0 (x+7)²=80

x=-7±4√5
x²+14x-47=0 (x+7)²=96

x=-7±4√6
x²+14x-49=0 (x+7)²=98

x=-7±7√2
x²+16x+62=0 (x+8)²=2

x=-8±√2
x²+16x+61=0 (x+8)²=3

x=-8±√3
x²+16x+59=0 (x+8)²=5

x=-8±√5
x²+16x+58=0 (x+8)²=6

x=-8±√6
x²+16x+57=0 (x+8)²=7

x=-8±√7
x²+16x+56=0 (x+8)²=8

x=-8±2√2
x²+16x+54=0 (x+8)²=10

x=-8±√10
x²+16x+53=0 (x+8)²=11

x=-8±√11
x²+16x+52=0 (x+8)²=12

x=-8±2√3
x²+16x+50=0 (x+8)²=14

x=-8±√14
x²+16x+49=0 (x+8)²=15

x=-8±√15
x²+16x+46=0 (x+8)²=18

x=-8±3√2
x²+16x+44=0 (x+8)²=20

x=-8±2√5
x²+16x+40=0 (x+8)²=24

x=-8±2√6
x²+16x+37=0 (x+8)²=27

x=-8±3√3
x²+16x+36=0 (x+8)²=28

x=-8±2√7
x²+16x+34=0 (x+8)²=30

x=-8±√30
x²+16x+32=0 (x+8)²=32

x=-8±4√2
x²+16x+29=0 (x+8)²=35

x=-8±√35
x²+16x+24=0 (x+8)²=40

x=-8±2√10
x²+16x+19=0 (x+8)²=45

x=-8±3√5
x²+16x+16=0 (x+8)²=48

x=-8±4√3
x²+16x+14=0 (x+8)²=50

x=-8±5√2
x²+16x+10=0 (x+8)²=54

x=-8±3√6
x²+16x+1=0 (x+8)²=63

x=-8±3√7
x²+16x-8=0 (x+8)²=72

x=-8±6√2
x²+16x-11=0 (x+8)²=75

x=-8±5√3
x²+16x-16=0 (x+8)²=80

x=-8±4√5
x²+16x-32=0 (x+8)²=96

x=-8±4√6
x²+16x-34=0 (x+8)²=98

x=-8±7√2
x²+18x+79=0 (x+9)²=2

x=-9±√2
x²+18x+78=0 (x+9)²=3

x=-9±√3
x²+18x+76=0 (x+9)²=5

x=-9±√5
x²+18x+75=0 (x+9)²=6

x=-9±√6
x²+18x+74=0 (x+9)²=7

x=-9±√7
x²+18x+73=0 (x+9)²=8

x=-9±2√2
x²+18x+71=0 (x+9)²=10

x=-9±√10
x²+18x+70=0 (x+9)²=11

x=-9±√11
x²+18x+69=0 (x+9)²=12

x=-9±2√3
x²+18x+67=0 (x+9)²=14

x=-9±√14
x²+18x+66=0 (x+9)²=15

x=-9±√15
x²+18x+63=0 (x+9)²=18

x=-9±3√2
x²+18x+61=0 (x+9)²=20

x=-9±2√5
x²+18x+57=0 (x+9)²=24

x=-9±2√6
x²+18x+54=0 (x+9)²=27

x=-9±3√3
x²+18x+53=0 (x+9)²=28

x=-9±2√7
x²+18x+51=0 (x+9)²=30

x=-9±√30
x²+18x+49=0 (x+9)²=32

x=-9±4√2
x²+18x+46=0 (x+9)²=35

x=-9±√35
x²+18x+41=0 (x+9)²=40

x=-9±2√10
x²+18x+36=0 (x+9)²=45

x=-9±3√5
x²+18x+33=0 (x+9)²=48

x=-9±4√3
x²+18x+31=0 (x+9)²=50

x=-9±5√2
x²+18x+27=0 (x+9)²=54

x=-9±3√6
x²+18x+18=0 (x+9)²=63

x=-9±3√7
x²+18x+9=0 (x+9)²=72

x=-9±6√2
x²+18x+6=0 (x+9)²=75

x=-9±5√3
x²+18x+1=0 (x+9)²=80

x=-9±4√5
x²+18x-15=0 (x+9)²=96

x=-9±4√6
x²+18x-17=0 (x+9)²=98

x=-9±7√2
x²-2x-1=0 (x-1)²=2

x=1±√2
x²-2x-2=0 (x-1)²=3

x=1±√3
x²-2x-4=0 (x-1)²=5

x=1±√5
x²-2x-5=0 (x-1)²=6

x=1±√6
x²-2x-6=0 (x-1)²=7

x=1±√7
x²-2x-7=0 (x-1)²=8

x=1±2√2
x²-2x-9=0 (x-1)²=10

x=1±√10
x²-2x-10=0 (x-1)²=11

x=1±√11
x²-2x-11=0 (x-1)²=12

x=1±2√3
x²-2x-13=0 (x-1)²=14

x=1±√14
x²-2x-14=0 (x-1)²=15

x=1±√15
x²-2x-17=0 (x-1)²=18

x=1±3√2
x²-2x-19=0 (x-1)²=20

x=1±2√5
x²-2x-23=0 (x-1)²=24

x=1±2√6
x²-2x-26=0 (x-1)²=27

x=1±3√3
x²-2x-27=0 (x-1)²=28

x=1±2√7
x²-2x-29=0 (x-1)²=30

x=1±√30
x²-2x-31=0 (x-1)²=32

x=1±4√2
x²-2x-34=0 (x-1)²=35

x=1±√35
x²-2x-39=0 (x-1)²=40

x=1±2√10
x²-2x-44=0 (x-1)²=45

x=1±3√5
x²-2x-47=0 (x-1)²=48

x=1±4√3
x²-2x-49=0 (x-1)²=50

x=1±5√2
x²-2x-53=0 (x-1)²=54

x=1±3√6
x²-2x-62=0 (x-1)²=63

x=1±3√7
x²-2x-71=0 (x-1)²=72

x=1±6√2
x²-2x-74=0 (x-1)²=75

x=1±5√3
x²-2x-79=0 (x-1)²=80

x=1±4√5
x²-2x-95=0 (x-1)²=96

x=1±4√6
x²-2x-97=0 (x-1)²=98

x=1±7√2
x²-4x+2=0 (x-2)²=2

x=2±√2
x²-4x+1=0 (x-2)²=3

x=2±√3
x²-4x-1=0 (x-2)²=5

x=2±√5
x²-4x-2=0 (x-2)²=6

x=2±√6
x²-4x-3=0 (x-2)²=7

x=2±√7
x²-4x-4=0 (x-2)²=8

x=2±2√2
x²-4x-6=0 (x-2)²=10

x=2±√10
x²-4x-7=0 (x-2)²=11

x=2±√11
x²-4x-8=0 (x-2)²=12

x=2±2√3
x²-4x-10=0 (x-2)²=14

x=2±√14
x²-4x-11=0 (x-2)²=15

x=2±√15
x²-4x-14=0 (x-2)²=18

x=2±3√2
x²-4x-16=0 (x-2)²=20

x=2±2√5
x²-4x-20=0 (x-2)²=24

x=2±2√6
x²-4x-23=0 (x-2)²=27

x=2±3√3
x²-4x-24=0 (x-2)²=28

x=2±2√7
x²-4x-26=0 (x-2)²=30

x=2±√30
x²-4x-28=0 (x-2)²=32

x=2±4√2
x²-4x-31=0 (x-2)²=35

x=2±√35
x²-4x-36=0 (x-2)²=40

x=2±2√10
x²-4x-41=0 (x-2)²=45

x=2±3√5
x²-4x-44=0 (x-2)²=48

x=2±4√3
x²-4x-46=0 (x-2)²=50

x=2±5√2
x²-4x-50=0 (x-2)²=54

x=2±3√6
x²-4x-59=0 (x-2)²=63

x=2±3√7
x²-4x-68=0 (x-2)²=72

x=2±6√2
x²-4x-71=0 (x-2)²=75

x=2±5√3
x²-4x-76=0 (x-2)²=80

x=2±4√5
x²-4x-92=0 (x-2)²=96

x=2±4√6
x²-4x-94=0 (x-2)²=98

x=2±7√2
x²-6x+7=0 (x-3)²=2

x=3±√2
x²-6x+6=0 (x-3)²=3

x=3±√3
x²-6x+4=0 (x-3)²=5

x=3±√5
x²-6x+3=0 (x-3)²=6

x=3±√6
x²-6x+2=0 (x-3)²=7

x=3±√7
x²-6x+1=0 (x-3)²=8

x=3±2√2
x²-6x-1=0 (x-3)²=10

x=3±√10
x²-6x-2=0 (x-3)²=11

x=3±√11
x²-6x-3=0 (x-3)²=12

x=3±2√3
x²-6x-5=0 (x-3)²=14

x=3±√14
x²-6x-6=0 (x-3)²=15

x=3±√15
x²-6x-9=0 (x-3)²=18

x=3±3√2
x²-6x-11=0 (x-3)²=20

x=3±2√5
x²-6x-15=0 (x-3)²=24

x=3±2√6
x²-6x-18=0 (x-3)²=27

x=3±3√3
x²-6x-19=0 (x-3)²=28

x=3±2√7
x²-6x-21=0 (x-3)²=30

x=3±√30
x²-6x-23=0 (x-3)²=32

x=3±4√2
x²-6x-26=0 (x-3)²=35

x=3±√35
x²-6x-31=0 (x-3)²=40

x=3±2√10
x²-6x-36=0 (x-3)²=45

x=3±3√5
x²-6x-39=0 (x-3)²=48

x=3±4√3
x²-6x-41=0 (x-3)²=50

x=3±5√2
x²-6x-45=0 (x-3)²=54

x=3±3√6
x²-6x-54=0 (x-3)²=63

x=3±3√7
x²-6x-63=0 (x-3)²=72

x=3±6√2
x²-6x-66=0 (x-3)²=75

x=3±5√3
x²-6x-71=0 (x-3)²=80

x=3±4√5
x²-6x-87=0 (x-3)²=96

x=3±4√6
x²-6x-89=0 (x-3)²=98

x=3±7√2
x²-8x+14=0 (x-4)²=2

x=4±√2
x²-8x+13=0 (x-4)²=3

x=4±√3
x²-8x+11=0 (x-4)²=5

x=4±√5
x²-8x+10=0 (x-4)²=6

x=4±√6
x²-8x+9=0 (x-4)²=7

x=4±√7
x²-8x+8=0 (x-4)²=8

x=4±2√2
x²-8x+6=0 (x-4)²=10

x=4±√10
x²-8x+5=0 (x-4)²=11

x=4±√11
x²-8x+4=0 (x-4)²=12

x=4±2√3
x²-8x+2=0 (x-4)²=14

x=4±√14
x²-8x+1=0 (x-4)²=15

x=4±√15
x²-8x-2=0 (x-4)²=18

x=4±3√2
x²-8x-4=0 (x-4)²=20

x=4±2√5
x²-8x-8=0 (x-4)²=24

x=4±2√6
x²-8x-11=0 (x-4)²=27

x=4±3√3
x²-8x-12=0 (x-4)²=28

x=4±2√7
x²-8x-14=0 (x-4)²=30

x=4±√30
x²-8x-16=0 (x-4)²=32

x=4±4√2
x²-8x-19=0 (x-4)²=35

x=4±√35
x²-8x-24=0 (x-4)²=40

x=4±2√10
x²-8x-29=0 (x-4)²=45

x=4±3√5
x²-8x-32=0 (x-4)²=48

x=4±4√3
x²-8x-34=0 (x-4)²=50

x=4±5√2
x²-8x-38=0 (x-4)²=54

x=4±3√6
x²-8x-47=0 (x-4)²=63

x=4±3√7
x²-8x-56=0 (x-4)²=72

x=4±6√2
x²-8x-59=0 (x-4)²=75

x=4±5√3
x²-8x-64=0 (x-4)²=80

x=4±4√5
x²-8x-80=0 (x-4)²=96

x=4±4√6
x²-8x-82=0 (x-4)²=98

x=4±7√2
x²-10x+23=0 (x-5)²=2

x=5±√2
x²-10x+22=0 (x-5)²=3

x=5±√3
x²-10x+20=0 (x-5)²=5

x=5±√5
x²-10x+19=0 (x-5)²=6

x=5±√6
x²-10x+18=0 (x-5)²=7

x=5±√7
x²-10x+17=0 (x-5)²=8

x=5±2√2
x²-10x+15=0 (x-5)²=10

x=5±√10
x²-10x+14=0 (x-5)²=11

x=5±√11
x²-10x+13=0 (x-5)²=12

x=5±2√3
x²-10x+11=0 (x-5)²=14

x=5±√14
x²-10x+10=0 (x-5)²=15

x=5±√15
x²-10x+7=0 (x-5)²=18

x=5±3√2
x²-10x+5=0 (x-5)²=20

x=5±2√5
x²-10x+1=0 (x-5)²=24

x=5±2√6
x²-10x-2=0 (x-5)²=27

x=5±3√3
x²-10x-3=0 (x-5)²=28

x=5±2√7
x²-10x-5=0 (x-5)²=30

x=5±√30
x²-10x-7=0 (x-5)²=32

x=5±4√2
x²-10x-10=0 (x-5)²=35

x=5±√35
x²-10x-15=0 (x-5)²=40

x=5±2√10
x²-10x-20=0 (x-5)²=45

x=5±3√5
x²-10x-23=0 (x-5)²=48

x=5±4√3
x²-10x-25=0 (x-5)²=50

x=5±5√2
x²-10x-29=0 (x-5)²=54

x=5±3√6
x²-10x-38=0 (x-5)²=63

x=5±3√7
x²-10x-47=0 (x-5)²=72

x=5±6√2
x²-10x-50=0 (x-5)²=75

x=5±5√3
x²-10x-55=0 (x-5)²=80

x=5±4√5
x²-10x-71=0 (x-5)²=96

x=5±4√6
x²-10x-73=0 (x-5)²=98

x=5±7√2
x²-12x+34=0 (x-6)²=2

x=6±√2
x²-12x+33=0 (x-6)²=3

x=6±√3
x²-12x+31=0 (x-6)²=5

x=6±√5
x²-12x+30=0 (x-6)²=6

x=6±√6
x²-12x+29=0 (x-6)²=7

x=6±√7
x²-12x+28=0 (x-6)²=8

x=6±2√2
x²-12x+26=0 (x-6)²=10

x=6±√10
x²-12x+25=0 (x-6)²=11

x=6±√11
x²-12x+24=0 (x-6)²=12

x=6±2√3
x²-12x+22=0 (x-6)²=14

x=6±√14
x²-12x+21=0 (x-6)²=15

x=6±√15
x²-12x+18=0 (x-6)²=18

x=6±3√2
x²-12x+16=0 (x-6)²=20

x=6±2√5
x²-12x+12=0 (x-6)²=24

x=6±2√6
x²-12x+9=0 (x-6)²=27

x=6±3√3
x²-12x+8=0 (x-6)²=28

x=6±2√7
x²-12x+6=0 (x-6)²=30

x=6±√30
x²-12x+4=0 (x-6)²=32

x=6±4√2
x²-12x+1=0 (x-6)²=35

x=6±√35
x²-12x-4=0 (x-6)²=40

x=6±2√10
x²-12x-9=0 (x-6)²=45

x=6±3√5
x²-12x-12=0 (x-6)²=48

x=6±4√3
x²-12x-14=0 (x-6)²=50

x=6±5√2
x²-12x-18=0 (x-6)²=54

x=6±3√6
x²-12x-27=0 (x-6)²=63

x=6±3√7
x²-12x-36=0 (x-6)²=72

x=6±6√2
x²-12x-39=0 (x-6)²=75

x=6±5√3
x²-12x-44=0 (x-6)²=80

x=6±4√5
x²-12x-60=0 (x-6)²=96

x=6±4√6
x²-12x-62=0 (x-6)²=98

x=6±7√2
x²-14x+47=0 (x-7)²=2

x=7±√2
x²-14x+46=0 (x-7)²=3

x=7±√3
x²-14x+44=0 (x-7)²=5

x=7±√5
x²-14x+43=0 (x-7)²=6

x=7±√6
x²-14x+42=0 (x-7)²=7

x=7±√7
x²-14x+41=0 (x-7)²=8

x=7±2√2
x²-14x+39=0 (x-7)²=10

x=7±√10
x²-14x+38=0 (x-7)²=11

x=7±√11
x²-14x+37=0 (x-7)²=12

x=7±2√3
x²-14x+35=0 (x-7)²=14

x=7±√14
x²-14x+34=0 (x-7)²=15

x=7±√15
x²-14x+31=0 (x-7)²=18

x=7±3√2
x²-14x+29=0 (x-7)²=20

x=7±2√5
x²-14x+25=0 (x-7)²=24

x=7±2√6
x²-14x+22=0 (x-7)²=27

x=7±3√3
x²-14x+21=0 (x-7)²=28

x=7±2√7
x²-14x+19=0 (x-7)²=30

x=7±√30
x²-14x+17=0 (x-7)²=32

x=7±4√2
x²-14x+14=0 (x-7)²=35

x=7±√35
x²-14x+9=0 (x-7)²=40

x=7±2√10
x²-14x+4=0 (x-7)²=45

x=7±3√5
x²-14x+1=0 (x-7)²=48

x=7±4√3
x²-14x-1=0 (x-7)²=50

x=7±5√2
x²-14x-5=0 (x-7)²=54

x=7±3√6
x²-14x-14=0 (x-7)²=63

x=7±3√7
x²-14x-23=0 (x-7)²=72

x=7±6√2
x²-14x-26=0 (x-7)²=75

x=7±5√3
x²-14x-31=0 (x-7)²=80

x=7±4√5
x²-14x-47=0 (x-7)²=96

x=7±4√6
x²-14x-49=0 (x-7)²=98

x=7±7√2
x²-16x+62=0 (x-8)²=2

x=8±√2
x²-16x+61=0 (x-8)²=3

x=8±√3
x²-16x+59=0 (x-8)²=5

x=8±√5
x²-16x+58=0 (x-8)²=6

x=8±√6
x²-16x+57=0 (x-8)²=7

x=8±√7
x²-16x+56=0 (x-8)²=8

x=8±2√2
x²-16x+54=0 (x-8)²=10

x=8±√10
x²-16x+53=0 (x-8)²=11

x=8±√11
x²-16x+52=0 (x-8)²=12

x=8±2√3
x²-16x+50=0 (x-8)²=14

x=8±√14
x²-16x+49=0 (x-8)²=15

x=8±√15
x²-16x+46=0 (x-8)²=18

x=8±3√2
x²-16x+44=0 (x-8)²=20

x=8±2√5
x²-16x+40=0 (x-8)²=24

x=8±2√6
x²-16x+37=0 (x-8)²=27

x=8±3√3
x²-16x+36=0 (x-8)²=28

x=8±2√7
x²-16x+34=0 (x-8)²=30

x=8±√30
x²-16x+32=0 (x-8)²=32

x=8±4√2
x²-16x+29=0 (x-8)²=35

x=8±√35
x²-16x+24=0 (x-8)²=40

x=8±2√10
x²-16x+19=0 (x-8)²=45

x=8±3√5
x²-16x+16=0 (x-8)²=48

x=8±4√3
x²-16x+14=0 (x-8)²=50

x=8±5√2
x²-16x+10=0 (x-8)²=54

x=8±3√6
x²-16x+1=0 (x-8)²=63

x=8±3√7
x²-16x-8=0 (x-8)²=72

x=8±6√2
x²-16x-11=0 (x-8)²=75

x=8±5√3
x²-16x-16=0 (x-8)²=80

x=8±4√5
x²-16x-32=0 (x-8)²=96

x=8±4√6
x²-16x-34=0 (x-8)²=98

x=8±7√2
x²-18x+79=0 (x-9)²=2

x=9±√2
x²-18x+78=0 (x-9)²=3

x=9±√3
x²-18x+76=0 (x-9)²=5

x=9±√5
x²-18x+75=0 (x-9)²=6

x=9±√6
x²-18x+74=0 (x-9)²=7

x=9±√7
x²-18x+73=0 (x-9)²=8

x=9±2√2
x²-18x+71=0 (x-9)²=10

x=9±√10
x²-18x+70=0 (x-9)²=11

x=9±√11
x²-18x+69=0 (x-9)²=12

x=9±2√3
x²-18x+67=0 (x-9)²=14

x=9±√14
x²-18x+66=0 (x-9)²=15

x=9±√15
x²-18x+63=0 (x-9)²=18

x=9±3√2
x²-18x+61=0 (x-9)²=20

x=9±2√5
x²-18x+57=0 (x-9)²=24

x=9±2√6
x²-18x+54=0 (x-9)²=27

x=9±3√3
x²-18x+53=0 (x-9)²=28

x=9±2√7
x²-18x+51=0 (x-9)²=30

x=9±√30
x²-18x+49=0 (x-9)²=32

x=9±4√2
x²-18x+46=0 (x-9)²=35

x=9±√35
x²-18x+41=0 (x-9)²=40

x=9±2√10
x²-18x+36=0 (x-9)²=45

x=9±3√5
x²-18x+33=0 (x-9)²=48

x=9±4√3
x²-18x+31=0 (x-9)²=50

x=9±5√2
x²-18x+27=0 (x-9)²=54

x=9±3√6
x²-18x+18=0 (x-9)²=63

x=9±3√7
x²-18x+9=0 (x-9)²=72

x=9±6√2
x²-18x+6=0 (x-9)²=75

x=9±5√3
x²-18x+1=0 (x-9)²=80

x=9±4√5
x²-18x-15=0 (x-9)²=96

x=9±4√6
x²-18x-17=0 (x-9)²=98

x=9±7√2
リストに戻るテストする

よく頑張りました

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二次方程式の暗算

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