分解因式10(x-y)²-5x(y-x)

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分解因式10(x-y)²-5x(y-x)
分解因式10(x-y)²-5x(y-x)

分解因式10(x-y)²-5x(y-x)
(10x-10y)(x-y)+5x(x-y)=(10x-10y+5x)(x-y)=(15x-10y)(x-y)=15x^2-25xy+10y^2