x(x-y)的2次-y(x-y)分解因式

问题描述:

x(x-y)的2次-y(x-y)分解因式

x(x-y)²-y(x-y)
=(x-y)【x(x-y)-y】
=(x - y)(x² - xy - y)

x(x - y)² - y(x - y)
= (x - y)[x(x - y) - y]
= (x - y)(x² - xy - y)