因式分解 1.(ax-bx)²-(a-b)x³=?

2015-11-24 12:17 pm

回答 (2)

2015-11-24 7:56 pm
✔ 最佳答案
(ax-bx)²-(a-b)x³
=x²(a-b)²-(a-b)x³
=x²(a-b)[(a-b)-x]
=x²(a-b)(a-b-x)
2015-11-30 11:48 am
(ax-bx)²-(a-b)x³
=x²(a-b)²-(a-b)x³
=x²(a-b)(a-b-x)


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