因式分解-X^2Y+2XY^2-Y^3

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因式分解-X^2Y+2XY^2-Y^3因式分解-X^2Y+2XY^2-Y^3因式分解-X^2Y+2XY^2-Y^3-x²y+2xy²-y^3=-y(x²-2xy+y&su

因式分解-X^2Y+2XY^2-Y^3
因式分解-X^2Y+2XY^2-Y^3

因式分解-X^2Y+2XY^2-Y^3
-x²y+2xy²-y^3
=-y(x²-2xy+y²)
=-y(x-y)²

=-y(x^2-2xy+y^2)
=-y(x-y)^2