(1. 3x(x-y)2-xy(x-y)=?
(2. 4(x-y)-2(x-y)2is small=?
(3. 2(x-3y)2is small+4x(x-3y)
Math factorise
2007-12-26 2:02 am
回答 (1)
2007-12-26 6:48 am
✔ 最佳答案
(1. 3x(x-y)2-xy(x-y)=6x(x-y)-xy(x-y)
=(x-y)(6x-xy)
2)4(x-y)-2(x-y)^2
=2(x-y)[2-(x-y)]
=2(x-y)(2-x+y)
3)2(x-3y)^2+4x(x-3y)
=2(x-3y)[(x-3y)+2X]
=2(x-3y)(x-3y+2x)
=2(x-3y)(3x+3y)
=2．3(x-3y)(x+y)
=6(x-3y)(x+y)
hope I can help you~=]
收錄日期: 2021-04-13 14:49:14
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071225000051KK02562