因式分解(x+y)²+3(x+y)
问题描述:
因式分解(x+y)²+3(x+y)
答
答:提取公因式x+y:
(x+y)²+3(x+y)
=(x+y)(x+y+3)
因式分解(x+y)²+3(x+y)
答:提取公因式x+y:
(x+y)²+3(x+y)
=(x+y)(x+y+3)