Help: Question and Answer options in screenshot

asked Nov 8, 2023 41.8k views

5 votes

by Z S

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6 votes

Answer:

Explanation:

$3\left[\begin{array}{ccc}5&6\\-9&-2\end{array}\right] - 2\left[\begin{array}{ccc}0&2\\-6&-4\end{array}\right] =$

$\left[\begin{array}{ccc}15&18\\-27&-6\end{array}\right] - \left[\begin{array}{ccc}0&4\\-12&-8\end{array}\right]$ =

$\left[\begin{array}{ccc}15-0&18-4\\-27+12&-6+8\end{array}\right]$ =

$\left[\begin{array}{ccc}15&14\\-15&2\end{array}\right]$

Jouni Helske answered Nov 14, 2023

5.5k points

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