(x+y)^2-4(x+y)(x-y)+32(x-y)^2 因式分解
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(x+y)^2-4(x+y)(x-y)+32(x-y)^2 因式分解
(x+y)^2-4(x+y)(x-y)+32(x-y)^2 因式分解
(x+y)^2-4(x+y)(x-y)+32(x-y)^2 因式分解
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)