分解因式(1)4x^2y-2xy^2= (2)2x^3+12x^2y+18xy^2=
分解因式:(X+Y)*(X+Y+2XY)+(XY+1)*(XY-1)
x^2-xy+y^2 分解因式
分解因式x^2y+x^2y+2xy^2-4xy^3
分解因式:(X+Y-2XY)*(X+Y-2)+(1-XY)∧2
分解因式(xy-1)^2+(x+y-2)(x+y-2xy)
分解因式:(xy-1)的平方+(x+y-2)(x+y-2xy).
分解因式:4x²+2xy-2y²+4x+7y-3=
分解因式:x^2-2xy+y^2-9=?
分解因式:(1-x^2)(1-y^2)+4xy
分解因式:xy(xy+1)+(xy+3)−2(x+y+12)−(x+y−1)
分解因式:8(x^2-2y^2)-x(7x+y)+xy=
分解因式8(x²-2y²)-x(7x+y)+xy=