(x-y)(x²+y²-2xy)+2(y-x)²因式分解

问题描述:

(x-y)(x²+y²-2xy)+2(y-x)²因式分解

(x-y)(x²+y²-2xy)+2(y-x)²
=(x-y)(x-y)²+2(x-y)²
=(x-y)²(x-y+2)