Question

x3+y3--x2y--xy2分解因式

在线等．
3和2是指数！－－减号
急，要过程

Answer 1

x^3+y^3-x^2y-xy^2=x^2(x-y)-y^2(x-y)=(x^2-y^2)(x-y)=(x+y)(x-y)^2

Answer 2

x3+y3--x2y--xy2
=(x+y)(x^2-xy+y^2)-xy(x+y)
=(x+y)(x^2-2xy+y^2)
=(x+y)(x-y)^2