x(x+y)(x-y)-x(x+y)^2 用因式分解

[匿名]

2010-09-04 6:44 am

x(x+y)(x-y)-x(x+y)^2 用因式分解

回答 (2)

STEVIE-G™

2010-09-04 6:49 am

✔ 最佳答案

x(x+y)(x-y)-x(x+y)^2
=x(x+y)[(x-y)-(x+y)]
=x(x+y)(-2y)
=-2xy(x+y)

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Shadow

2010-09-05 1:34 am

這裏可以幫到你
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