\shoveright - Used for forces flush right typesetting in a \multline or \multline* environment.
{ \shoveright }
\shoveright command is used for forces flush right typesetting in a \multline or \multline* environment.
\begin{multline} (a+b+c+d)^2 \\ + (e+f)^2 + (g+h)^2 + (i+j)^2 + (k+l)^2 \\ + (m+n)^2 + (o+p)^2 + (q+r)^2 + (s+t)^2 + (u+v)^2 \\ + (w+x+y+z)^2 \end{multline}
\begin{multline} (a+b+c+d)^2 \\ \shoveleft{+ (e+f)^2 + (g+h)^2 + (i+j)^2 + (k+l)^2} \\ \shoveright{+ (m+n)^2 + (o+p)^2 + (q+r)^2 + (s+t)^2 + (u+v)^2} \\ + (w+x+y+z)^2 \end{multline}