需要具体过程
谢谢
x*x-2x-35=-26
x*x-2x-9=0
x²-2x-12=-26
x²-2x+13=0
(x+5)(x-7)=-26
x^2-2x-35+26=0
x^2-2x-9=0
X*X-7X+5X-35=-26
X*X-2X-9=0
X^2-2X-9=0