Answer
$$ \begin{bmatrix} -13.2&-6.82&-9.9 \\ 2.2&0&-5.5 \\ -12.1&3.96&-14.08\end{bmatrix}$$
Work Step by Step
Using the distributive property for matrices:
$$ \begin{bmatrix} -13.2&-6.82&-9.9 \\ 2.2&0&-5.5 \\ -12.1&3.96&-14.08\end{bmatrix}$$