Answer
\[
M=
\left[ {\begin{array}{cc}
6 & 10 \\
3& -2 \\
-3& 9 \\
\end{array} } \right]
\]
Work Step by Step
\[
M=
\left[ {\begin{array}{cc}
12-6 & 22-12 \\
0+3& 1-3 \\
6 -9& 9 \\
\end{array} } \right]
\]
\[
M=
\left[ {\begin{array}{cc}
6 & 10 \\
3& -2 \\
-3& 9 \\
\end{array} } \right]
\]
