Given the matrices AA and BB shown below, find A, minus, B, .A−B.
A, equals, open square bracket,
begin matrix
row 1, column 1, 5
row 1, column 2, 4
row 1, column 3, 1
end matrix
, close square bracket, B, equals, open square bracket,
begin matrix
row 1, column 1, minus, 2
row 1, column 2, 1
row 1, column 3, minus, 5
end matrix
, close square bracket
A=[
5
​

4
​

1
​
]B=[
−2
​

1
​

−5
​
]