x^2+xy-6y^2+x+13y-6分解因式
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x^2+xy-6y^2+x+13y-6
化简:x-y/x+3y÷x^-y^2/x^2+6xy+9y^2-(xy/x+y)
1、(-7x^y)(2x^y-3xy^3+xy) 2、((x-y)^6)/((y-x)^3)/(x-y)
因式分解 x-xy+3y-3x 2x+xy-y-4x+5y-6
(x-2xy)*(-xy+2y*y)-(3x*x-2xy)(x-9xy+6y*y)答案应为-2x-x*x-3x,
一道因式分解题 2x²+xy-y²-4x+5y-6
x^2-xy-6y^2+3xy+y+2
3y/x*x-y*y+x/x*x-2xy+y*y+6y*y/x*x*x-x*x*y-xy*y+y*y*y等于多少?
x^2+xy-6y^2-3x+6y
2x^2+3xy+y^2+x-y-6
x^2-xy-2y^2+x+7y-6
分解因式(2x^-xy-6y^)-x+2y
x²+3xy+2y-x+y-6因式分解
2X^+XY-Y^-4X+5Y-6
x²+xy-2y²-x+7y-6
2x^+xy-y^-4x+5y-6=?
已知xy=-2,x-y=3,求(x+y)(x-y)-y^2+(x-y)^2-(6x^2y-2xy^2)÷2y
5x^3y*(-3y)^2+(-6xy)^2*(-xy)+xy^3*(-4x^2)