If 
A
=




3
1

2
4
5

1



A
=
[
-
3
1
-
2
4
5
-
1

]
and 
B
=



4

3
0

2

2
4



B
=
[
4
-
3
0
-
2
-
2
4

]
then what is 
3
A

2
B
?
3
A
-
2
B
?