因式分解(x方-x）方-8（x方-x）+12
问题描述：
因式分解(x方-x）方-8（x方-x）+12
最好有步骤哎
答
(x方-x）方-8（x方-x）+12
=(x方-x -6 ) (x方-x -2 )
= (x-3) (x+2) (x-2) (x+1)