
%format latexg
\documentstyle[din_a4,german]{article}
\begin{document}


\begin{equation}
      1   +
      X +
            X     ^{      2     } =   0 \end{equation}

\begin{eqnarray}
  X  & = &       -       \left (        1 /        2        \right )
  +
      \frac{              \sqrt{          3         }      %
                    i     }{      2     } \\
  X  & = &       -       \left (        1 /        2        \right )
  -
      \frac{              \sqrt{          3         }      %
                    i     }{      2     }  
\end{eqnarray}

\end{document}