1.
Multiply
x
3
(
x
4
- 2).
A.
x
7
- 2
x
3
B.
x
12
- 2
x
3
C.
x
12
- 2
D.
x
7
- 2
Hint
2.
Find the product (9
x
3
+ 5)(2
x
2
).
A.
9
x
5
+ 10
x
2
B.
18
x
5
+ 10
x
2
C.
9
x
3
+ 10
x
2
D.
18
x
6
+ 10
x
2
Hint
3.
Simplify -
a
(
a
3
- 3
a
2
+
a
).
A.
-
a
4
- 3
a
3
-
a
2
B.
-
a
3
+ 3
a
2
-
a
C.
-
a
4
+ 3
a
3
-
a
2
D.
-
a
4
+ 3
a
3
Hint
4.
Write an expression to represent the area of the rectangle.
A.
4
d
3
+6
d
2
- 4
B.
6
d
5
- 12
d
2
C.
6
d
5
+ 12
d
2
D.
6
d
6
- 12
d
2
Hint
5.
Find the product (8
x
5
- 2
x
3
+ 4
x
)(-3
x
2
).
A.
24
x
3
+ 6
x
x
-1
B.
-24
x
-7
+ 6
x
-5
- 12
x
-3
C.
-24
x
7
+ 6
x
5
- 12
x
3
D.
24
x
7
- 6
x
5
+ 12
x
3
Hint