分解因式;(x+5y)^2+(2x+10y)(3x-y)+(3x-y)^2

问题描述:

分解因式;(x+5y)^2+(2x+10y)(3x-y)+(3x-y)^2

(x+5y)^2+(2x+10y)(3x-y)+(3x-y)^2
=(x+5y)^2+2(x+5y)(3x-y)+(3x-y)^2
=(x+5y+3x-y)^2
=16(x+y)^2
肯定对