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因式分解:(y+2)xˇ2+(y+2)x-12y-24
人气:343 ℃ 时间:2020-05-19 18:14:27
解答
:(y+2)xˇ2+(y+2)x-12y-24
=(y+2)x²+(y+2x)-12(y+2)
=(y+2)(x²+x-12)
=(y+2)(x+4)(x-3)
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