12 x^2 y+22 x y^2 - 60 y^3
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12x^2y+22xy^2-60y^312x^2y+22xy^2-60y^312x^2y+22xy^2-60y^312x^2y+22xy^2-60y^3=2y(6x^2+11xy-30y^2)=2y(
12 x^2 y+22 x y^2 - 60 y^3
12 x^2 y+22 x y^2 - 60 y^3
12 x^2 y+22 x y^2 - 60 y^3
12 x^2 y+22 x y^2 - 60 y^3
= 2y(6x^2+11xy-30y^2)
= 2y(3x+10y)(2x-3y)
x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2
化简y(x+y)+(x+y)(x-y)-x^2
(x-y)^2+12(x-y)+36
9(x-y)-12(y-x)^2
(x+y)(x-y)-(x-y)^2如题 (x+y)(x-y)-(x-y)^2
【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y)
因式分解x(x+y)(x-y)-x(x+y)^2
因式分解(x+y)^2y^2-12(x+y)y^2+36y^2-y^4
[(x-y)^2-(x+2y)(x-2y)]/y
计算:y-x分之x+y+x-y分之y-y-x分之2x-y
(X,Y) f(x,y)={12y^2,0
12y(x-y)^2-8(x-y)^3=?
求做因式分解12(x+y)^2+11(x+y)(x-y)+2(x-y)^2
因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
12（x+y）^3（y-x）/【4（x+y）^2(x-y)】
[12(x+y)^3+3(x+y)(x-y)^2]÷6(x+y)
{x+y+z=12 x+2y+5z=22 x=4y
x^2(x-y)+(y-x)