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分解因式:x^2-2xy+y^3-5x+5y-6
人气:116 ℃ 时间:2020-03-26 21:27:20
解答
x^2-2xy+y^3-5x+5y-6
=(x-y)²-5(x-y)-6
=(x-y-6)(x-y+1)
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