x^2-2y^2-xy-x-y因式分解~

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x^2-2y^2-xy-x-y因式分解~x^2-2y^2-xy-x-y因式分解~x^2-2y^2-xy-x-y因式分解~x²－2y²－xy－x－y=(x²－y²

x^2-2y^2-xy-x-y因式分解~
x^2-2y^2-xy-x-y因式分解~

x^2-2y^2-xy-x-y因式分解~
x²－2y²－xy－x－y
=(x²－y²)－(y²＋xy)－(x＋y)
=(x－y)(x＋y)－y(x＋y)－(x＋y)
=(x＋y)[(x－y)－y－1]
=(x＋y)(x－2y－1)

=（x+y)(x-2y)-(x+y)
=(x+y)(x-2y-1)

因式分解：x方y+2xy+y 因式分解：x×x-xy-2y×y-x-y (x+y)/x /(x-(2xy-y^2)/x) 因式分解 -xy^2(x+y)^3+x(x+y)^2因式分解因式分解:8(x-2y)-x(7x+y)+xy. 因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y) 2x(x-y)+4xy(y-x) 因式分解2x(x-y)+4xy(y-x) 因式分解 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