Given the matrices AA and BB shown below, find -6A-\frac{1}{3}B.−6A−
3
1
​
B.
A=\begin{bmatrix} -2 & -1 & 4 & 1 \\ 4 & 2 & 3 & 1\end{bmatrix}\,\,\,\,B=\begin{bmatrix} 9 & 27 & 6 & 30 \\ -12 & 15 & -18 & -12\end{bmatrix}
A=[
−2
4
​

−1
2
​

4
3
​

1
1
​
]B=[
9
−12
​

27
15
​

6
−18
​

30
−12
​
]