1.
Simplify 6
a
+ 15
a
.
A.
42
a
B.
21
a
C.
6
a
+ 15
a
D.
21
a
2
Hint
2.
Simplify 2
a
4
+ 4
a
2
+
a
4
.
A.
3
a
8
+ 4
a
2
B.
2
a
4
+ 4
a
2
+
a
4
C.
7
a
10
D.
3
a
4
+ 4
a
2
Hint
3.
Use the distributive property to rewrite
without parentheses.
A.
24
x
- 3
B.
C.
24
x
- 4
D.
24
x
- 24
Hint
4.
Use the Distributive Property to simplify 7(6
x
2
+ 5
x
+ 4).
A.
42
x
2
+ 5
x
+ 4
B.
42
x
2
+ 35
x
+ 28
C.
42
x
2
+ 35
x
+ 4
D.
42
x
2
+35
x
+ 21
Hint
5.
Simplify 3
x
2
+ 11
x
+ 2
x
2
.
A.
16
x
2
B.
6
x
2
+ 11
x
C.
5
x
2
+ 11
x
D.
simplified
Hint