x^2y-2x^2y^3-3x^3y等于多少?因式分解

(x-y)^2-(x-y)^3因式分解 (x+y)^2-3(x-y)因式分解 因式分解3x^2(x-y)+6x(y-x) 3x-y^2 因式分解 6x(x-y)^2+3(y-x)^3 因式分解 因式分解x(x-y)^2+2(x-y)^3 4x*3-4x*2y-(x-y)因式分解 4x^3-4x^2y-(x-y)因式分解 (3X-Y)^2-(2X+Y)^2-(Y+3X)(3X-Y) 因式分解 因式分解(2x-3y)(x+y)+(3x-2y)(x+y) 因式分解 (1)6(x-y)^3-3y(y-x)^2 (2)x(x-y)(a-b)-y(y-x)( x/4+2等于x,x=多少.y/5等于y-3,Y=多少