求(x-y)(x+y)-(x-y)因式分解
问题描述:
求(x-y)(x+y)-(x-y)因式分解
答
(x-y)(x+y)-(x-y)
=(x-y)(x+y-1)
求(x-y)(x+y)-(x-y)因式分解
(x-y)(x+y)-(x-y)
=(x-y)(x+y-1)