> 数学 >
因式分解(2x+y)^2-(x+2y)^2
人气:417 ℃ 时间:2020-01-29 01:23:25
解答
(2x+y)^2-(x+2y)^2
=(2x+y-x-2y)(2x+y+x+2y)
=(x-y)(3x+3y)
=3(x-y)(x+y)
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版