已知x(x-1)-(x²-y)=-3,求(x²y+xy²)÷xy-2y

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已知x(x-1)-(x²-y)=-3,求(x²y+xy²)÷xy-2y
已知x(x-1)-(x²-y)=-3,求(x²y+xy²)÷xy-2y

已知x(x-1)-(x²-y)=-3,求(x²y+xy²)÷xy-2y
x(x-1)-(x²-y)=-3
x²-x-x²+y)=-3
x-y=3
(x²y+xy²)÷xy-2y
=x+y-2y
=x-y
=3