1.
Simplify 12
f
+ 6(3 + 4
f
).
A.
36
f
+ 18
B.
16
f
+ 18
C.
54
f
D.
34
f
Hint
2.
Simplify the expression 8 (
a
+ 2
b
) – 7
b
+ 6 (3
a
–
b
).
A.
26
a
– 6
b
B.
152
a
– 88
b
C.
4
a
– 6
b
D.
26
a
+ 3
b
Hint
3.
Simplify 4(
x
+ 1) - 3(4
x
- 2).
A.
x
+ 10
B.
x
- 2
C.
7
x
- 2
D.
7
x
+ 10
Hint
4.
Simplify -5(6
a
- 9
b
) - 2(
a
-
b
).
A.
32
a
- 47
b
B.
-32
a
- 47
b
C.
-30
a
- 45
b
D.
-32
a
+ 47
b
Hint
5.
Simplify 4(6
m
- 2
n
) - 2(2
m
- 6
n
).
A.
24
m
- 20
n
B.
20
m
+ 4
n
C.
20
m
- 4
n
D.
28
m
- 20
n
Hint