因式分解:【(x方-6)的平方】-6(x方-6)+9

问题描述:

因式分解:【(x方-6)的平方】-6(x方-6)+9

(x^2-6)^2-6(x^2-6)+9
=[(x^2-6)-3]^2
=[x^2-9]^2
=(x+3)^2(x-3)^2