x^2(x+y)+2xy(x+y)+y^2(x+y)因式分解
问题描述:
x^2(x+y)+2xy(x+y)+y^2(x+y)因式分解
答
x^2(x+y)+2xy(x+y)+y^2(x+y)
=(x+y)(x^2+2xy+y^2)
=(x+y)(x+y)^2
=(x+y)^3