因式分解:mx^2-(3m+2)x+2m+2

问题描述:

因式分解:mx^2-(3m+2)x+2m+2
1个回答 分类:数学 2014-09-18

问题解答:

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mx²-(3m+2)x+2m+2
=mx²-(m+2m+2)x+2m+2
=mx²-mx-(2m+2)x+2m+2
=mx(x-1)-(2m+2)(x-1)
=(x-1)(mx-2m-2)
 
 
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