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因式分解(y+2)x^2+(y+2)x-12y-24
人气:122 ℃ 时间:2020-06-21 23:01:24
解答
(y+2)x^2+(y+2)x-12y-24
=(y+2)(x^2+x-12)
=(y+2)(x+4)(x-3)
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