(m+n)²+2(m+n)+1因式分解,
问题描述:
(m+n)²+2(m+n)+1因式分解,
答
(m+n)²+2(m+n)+1
=[(m+n)+1]²
=(m+n+1)²
(m+n)²+2(m+n)+1因式分解,
(m+n)²+2(m+n)+1
=[(m+n)+1]²
=(m+n+1)²