因式分解:(x+y)^2-2m(x+y)+m^2

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因式分解:(x+y)^2-2m(x+y)+m^2因式分解:(x+y)^2-2m(x+y)+m^2因式分解:(x+y)^2-2m(x+y)+m^2(x+y)^2-2m(x+y)+m^2=(x+y-m)&

因式分解:(x+y)^2-2m(x+y)+m^2
因式分解:(x+y)^2-2m(x+y)+m^2

因式分解:(x+y)^2-2m(x+y)+m^2
(x+y)^2-2m(x+y)+m^2=(x+y-m)²

(x+y)^2-2m(x+y)+m^2
=(x+y-m)²

根据完全平方公式:
(x+y)^2-2m(x+y)+m^2
=(x+y-m)²

=(x+y-m)²


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