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因式分解:1、3a²-3ab+2ab-2b²-a+b 2、x²-12xy+36y²-6x+36y+8
人气:453 ℃ 时间:2019-10-19 23:07:54
解答
1、3a²-3ab+2ab-2b²-a+b=3a²-ab-2b²-a+b=﹙a-b﹚﹙3a+2b﹚-﹙a-b﹚=﹙a-b﹚﹙3a+2b-1﹚2、x²-12xy+36y²-6x+36y+8=﹙x-6y﹚²-6﹙x-6y﹚+8=﹙﹙x-6y-2﹚﹙x-6y...
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