(x-y)^2-(y-z)^2 因式分解
问题描述:
(x-y)^2-(y-z)^2 因式分解
答
(x-y)²-(y-z)²
=[(x-y)+(y-z)][(x-y)-(y-z)]
=(x-z)(x-2y+z)
明白请采纳,
有新问题请求助,