UPSKILL MATH PLUS

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Determine \(3A - 5B\), if \(A =\begin{bmatrix}
2 & 4 & 6\\
7 & 5 & -4\\
-2 & 1 & 7
\end{bmatrix}, B = \begin{bmatrix}
2 & 4 & 6\\
7 & 5 & 3\\ 
7 & 1 & 7
\end{bmatrix}\)