n^2 + n*(n+1) + (n+1)^2 = (n*(n+1)+1)^2n^2 + n*(n+1) + (n+1)^2 = (n*(n+1)+1)^2 可以帮我转为因式分解的形式吗n^2 + n*(n+1) + (n+1)^2 = (n*(n+1)+1)^2 = (n^2+n+1)^2