Find the sum or difference.

Question

[-3 0] [-4 2]
[5 -7] + [-1 8]

Answer 1

[-3 0] + [-4 2] = (-3 + -4) (0 + 2) = -7 2
[5 -7] [-1 8] (5 + -1) (-7 + 8) = 4 1

Therefore, the sum is:

[-7 2]
[ 4 1]