Question

Simplify. Write "undefined" for expressions that are undefined.

1)

3 6
−1 −3
−5 −1
+
0 −1
6 0
2 3
2)

Answer 1

D on edge 2020!

Explanation:

Have a good day! :3

Answer 2

`A=\left[\begin{array}{ccc}3&6\\-1&-3\\-5&-1\end{array}\right] \\ \\B=\left[\begin{array}{ccc}0&-1\\6&0\\2&3\end{array}\right] \\ \\A+B=\left[\begin{array}{ccc}3&6\\-1&-3\\-5&-1\end{array}\right] +\left[\begin{array}{ccc}0&-1\\6&0\\2&3\end{array}\right] =\left[\begin{array}{ccc}3+0&6+(-1)\\-1+6&-3+0\\-5+2&-1+3\end{array}\right] \\ \\A+B=\left[\begin{array}{ccc}3&5\\5&-3\\-3&2\end{array}\right]`