(x+y)^2-4(x+y)(x-y)+32(x-y)^2 因式分解_数学解答

(x+y)^2-4(x+y)(x-y)+32(x-y)^2 因式分解

人气：214 ℃　时间：2020-10-01 14:08:16

解答

无解!
应该是(x+y)^2-4(x+y)(x-y)-32(x-y)^2
(x+y)^2-4(x+y)(x-y)-32(x-y)^2
=[(x+y)+4(x-y)] [(x+y)-8(x-y)]
=(5x-3y) (9y-7x)