x^3+2x^2y+2xy^2+y^3(因式分解)
问题描述：
x^3+2x^2y+2xy^2+y^3(因式分解)
某代数式的三次方没学过，所以我学要过程，谢谢！
答
x^3+2x^2y+2xy^2+y^3
=(x^3+y^3)+2xy(x+y)
=(x+y)(x^2-xy+y^2)+2xy(x+y)
=(x+y)(x^2+xy+y^2)