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