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(x+3)(x-2)-2(x2-3x)因式分解,
题目详情
(x+3)(x-2)-2(x2-3x)因式分解,
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答案和解析
(x+3)(x-2)-2(x2-3x)
=x2+x-6-2x2+6x
=-x2+7x-6
=-(x2-7x+6)
=-(x-6)(x-1)
=x2+x-6-2x2+6x
=-x2+7x-6
=-(x2-7x+6)
=-(x-6)(x-1)
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