1.
Find (
x
+ 3)(
x
- 5).
A.
x
2
+ 2
x
- 15
B.
x
2
+ 8
x
- 15
C.
x
2
- 15
D.
x
2
- 2
x
- 15
Hint
2.
Find (4
y
- 5)(3
y
- 7).
A.
12
y
2
– 43
y
- 35
B.
12
y
2
+ 35
C.
12
y
2
– 43
y
+ 35
D.
12
y
2
– 13
y
+ 35
Hint
3.
Simplify -
a
(
a
3
- 3
a
2
+
a
).
A.
-
a
4
+ 3
a
3
-
a
2
B.
-
a
4
- 3
a
3
-
a
2
C.
-
a
3
+ 3
a
2
-
a
D.
-
a
4
+ 3
a
3
Hint
4.
Find the product (2
x
+ 3)(3
x
– 2).
A.
6
x
2
+ 5
x
– 5
B.
6
x
2
+ 5
x
– 6
C.
6
x
2
+ 9
x
– 6
D.
6
x
2
+ 9
x
– 5
Hint
5.
Find the product 6(8
x
+ 3).
A.
42
x
+ 18
B.
66
x
C.
48
x
+ 18
D.
48
x
+ 3
Hint
6.
Solve (
x
+ 2)(
x
+ 3) = 0.
A.
x
= 2 or
x
= 3
B.
x
= 6
C.
x
= -2 or
x
= -3
D.
x
= -6
Hint
7.
Solve (
x
– 8)(
x
+ 4).
A.
x
= 8 or
x
= -4
B.
x
= 8 or
x
= 4
C.
x
= -8 or
x
= -6
D.
x
= -8 or
x
= 4
Hint
8.
Simplify (7
w
2
)(
w
4
).
A.
7
w
6
B.
42
w
C.
7
w
8
D.
7
w
4
Hint
9.
Solve 5
x
(
x
– 2) = 0.
A.
x
= 0
B.
x
= 0 or
x
= 2
C.
x
= 0 or
x
= -2
D.
x
= 2
Hint
10.
Find the product 5
x
(3
x
– 1).
A.
-2
x
B.
15
x
2
- 1
C.
8
x
2
+ 4
x
D.
15
x
2
- 5
x
Hint