望采纳
x^2+x-6=0解:(x+3)(x-2)=0 x1=-3,x2=2
x²+x-6=0(x+3)(x-2)=0所以x=-3或者x=2.
(x+3)(x一2)=0x1=一3,x2=2
(X+3)(X-2)=0X=-3 X=2