(xy-1)平方+(x+y-2xy)(x+y-2)因式分解

学习 时间:2026-08-23 06:20:18 阅读:6117
(xy-1)平方+(x+y-2xy)(x+y-2)因式分解

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自信的外套

怕孤独的吐司

2026-08-23 06:20:18

(xy-1)^2+(x+y-2xy)(x+y-2)=(xy-1)^2+4xy+(x+y)^2-2(xy+1)(x+y)=(xy+1)^2+(x+y)^2-2(xy+1)(x+y)=(x+1)^2(y+1)^2

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  • 迷路的紫菜
    回复
    2026-08-23 06:20:18

    (xy-1)^2+(x+y-2xy)(x+y-2)=(xy-1)^2+4xy+(x+y)^2-2(xy+1)(x+y)=(xy+1)^2+(x+y)^2-2(xy+1)(x+y)=(x+1)^2(y+1)^2

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