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因式分解:mx^2-(3m+2)x+2m+2
人气:296 ℃ 时间:2020-04-08 01:13:43
解答
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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