因式分解x^2+xy-2y^2

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因式分解x^2+xy-2y^2因式分解x^2+xy-2y^2因式分解x^2+xy-2y^2原式=x^2-y^2-(xy+y^2)=(x+y)(x-y)-y(x+y)=(x+y)(x-2y)(x+2y)

因式分解x^2+xy-2y^2
因式分解x^2+xy-2y^2

因式分解x^2+xy-2y^2
原式=x^2-y^2-(xy+y^2)
=(x+y)(x-y)-y(x+y)
=(x+y)(x-2y)

(x+2y)(x-y)

因式分解：x方y+2xy+y 2x^2-xy-y^2因式分解因式分解x^2+xy-2y^2 X^2Y-2XY^2 因式分解因式分解:-x^2+2xy-y^2 xy+2x+y+2因式分解因式分解:x^2y+xy^2=? x^2-xy-4+2y因式分解 xy-2x+y-2因式分解, (x+2y)^2-8xy 因式分解因式分解x^2-3xy+y^2 x^2-3xy+y^2因式分解因式分解-X^2+2XY-Y^3 因式分解:x²y²-xy-2 -2xy-x²-y²因式分解因式分解 x²-2xy+y² 因式分解4x^-xy-2y^ (x-y)^2-(xy+1)因式分解