This is LaTeX code:

[latex]
G(e) =
\begin{bmatrix}
1 & 0 & 3 \\
-2 & -1 & -1 \\
-1 & -1 & 1
\end{bmatrix}
\begin{bmatrix}
-8 & -6 & 2 \\
11 & 8 & -2 \\
3 & 2 & 0
\end{bmatrix}
\begin{bmatrix}
1 & 0 & 3 \\
-2 & -1 & -1 \\
-1 & -1 & 1
\end{bmatrix}^{-1} =
\begin{bmatrix}
0 & -1 & 1 \\
0 & 0 & -2 \\
0 & 0 & 0
\end{bmatrix}
[/latex]