提公因式因式分解:2x(x+y)²-(x+y)三次方
问题描述:
提公因式因式分解:2x(x+y)²-(x+y)三次方
答
2x(x+y)²-(x+y)三次方
=(x+y)^2(2x-x-y)
=(x-y)(x+y)^2