1. Multiplication by a Scalar: 3×3 matrix

Determine 4\(A + B\), if \(A =\begin{bmatrix}
5 & 7 & 6\\
-14 & 12 & -4\\
4 & 0 & 8
\end{bmatrix}, B = \begin{bmatrix}
-4 & 10 & 2\\
5 & 2 & -8\\ 
13 & 6 & -2
\end{bmatrix}\)

 

4\(A + B = \)