因式分解(x-y)³-4(x-y)²-4(y-x)

如题所述

第1个回答  2012-04-14
(x-y)[(x-y)^2-4(x-y)+4)]=(x-y)(x-y-2)^2
第2个回答  2012-04-14
(x-y)³-4(x-y)²-4(y-x)
=(x-y)³-4(x-y)²+4(x-y)
=(x-y)[(x-y)²-4(x-y)+4]
=(x-y)(x-y-2)²本回答被提问者采纳
第3个回答  2012-04-14
(x-y)³-4(x-y)²-4(y-x)
=(x-y)*[(x-y)²-4(x-y)+4]
=(x-y)(x-y-2)²