因式分解(1)3x^2+6xy (2)2x(x-y)+x^2(y-x) (3)x^3y-2x^2y^2+x^y (4)a

因式分解 (1)6(x-y)^3-3y(y-x)^2 (2)x(x-y)(a-b)-y(y-x)( 因式分解3x^2(x-y)+6x(y-x) (x-y)^2-(x-y)^3因式分解 (x+y)^2-3(x-y)因式分解 因式分解：x×x-xy-2y×y-x-y 因式分解：4a^2(x-y)+9(y-x) -4x^2y^2+x^3y+4xy^3 9xy(x-y)(x+1)-3y(x-y)(3x+2y)+6y的平方(x-y)(x+1),因式分解 因式分解 x^2-2xy-3y^2+x+y x^2+x^2y-xy^2-y^3因式分解 因式分解x^3+x^2y-xy^2-y^3 x^3-x^2y-xy^2+y^3因式分解 因式分解x^3+x^2y-xy^2+y^3