因式分解 x^2-2xy+y^2-2x+2y+1

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因式分解x^2-2xy+y^2-2x+2y+1因式分解x^2-2xy+y^2-2x+2y+1因式分解x^2-2xy+y^2-2x+2y+1原式=(x-y)^2-2(x-y)+1=(x-y-1)^2

因式分解 x^2-2xy+y^2-2x+2y+1
因式分解 x^2-2xy+y^2-2x+2y+1

因式分解 x^2-2xy+y^2-2x+2y+1
原式=(x-y)^2-2(x-y)+1=(x-y-1)^2