分解公因式,4xy2-4x2y-y3,

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分解公因式,4xy2-4x2y-y3,
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分解公因式,4xy2-4x2y-y3,
分解公因式,4xy2-4x2y-y3,

分解公因式,4xy2-4x2y-y3,
4xy²-4x²y-y³
=-y(4x²-4xy+y²)
=-y(2x-y)²

分解公因式:(X+2)(X+3)+X^2-9 (X+Y)^2-4XY (X+2)(X+3)+X^2-9 (X+Y)^2-4XY =X^2+3X+2X+6+X^2-

4xy2-4x2y-y3
=y(4xy-4x^2-y^2)
=-y(4x^2-4xy+y^2)
=-y(2x-y)^2