Question

subtract matrix M and matrix N
M=[6 -2] N=[2 4]
[0 1] [1 -1]

Answer 1

M - N =
[6 -2] - [2 4]
[0 1] [1 -1]

= [6-2 -2-4]
[0-1 1+1]

= [4 -6]
[-1 2]