1.
Find (
c
2
+ 2
c
- 6)(
c
+ 5).
A.
c
3
+ 2
c
2
- 6
c
- 30
B.
c
3
+ 7
c
2
+ 4
c
- 30
C.
c
3
+ 2
c
2
- 30
D.
c
3
+ 2
c
2
+ 5
Hint
2.
Find (
x
+ 3)(
x
- 5).
A.
x
2
- 15
B.
x
2
- 2
x
- 15
C.
x
2
+ 2
x
- 15
D.
x
2
+ 8
x
- 15
Hint
3.
Find (3
x
+ 4)(5
x
2
– 4
x
+ 6).
A.
5
x
2
+
x
+ 10
B.
15
x
3
+ 8
x
2
+ 2
x
+ 24
C.
15
x
3
+ 32
x
2
+ 34
x
+ 24
D.
8
x
2
- 13
x
+ 24
Hint
4.
Find the area of a triangle with base 2
x
+ 3 and height 3
x
– 1.
A.
5
x
2
+ 7
x
– 3
B.
x
2
+
x
– 3
C.
3
x
2
+
x
D.
6
x
2
+ 7
x
– 3
Hint
5.
Find the product (2
x
+ 3)(3
x
– 2).
A.
6
x
2
+ 5
x
– 5
B.
6
x
2
+ 9
x
– 5
C.
6
x
2
+ 9
x
– 6
D.
6
x
2
+ 5
x
– 6
Hint