因式分解(x-y)^3-4(x-y)^2+4(x-y)

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因式分解(x-y)^3-4(x-y)^2+4(x-y)因式分解(x-y)^3-4(x-y)^2+4(x-y)因式分解(x-y)^3-4(x-y)^2+4(x-y)原式=(x-y)[(x-y)^2-4(

因式分解(x-y)^3-4(x-y)^2+4(x-y)
因式分解(x-y)^3-4(x-y)^2+4(x-y)

因式分解(x-y)^3-4(x-y)^2+4(x-y)

原式=(x-y)[(x-y)^2-4(x-y)+4]
=(x-y)(x-y-2)^2