1.
Find (3
a
- 1)(5
a
+ 6).
A.
15
a
2
+ 13
a
- 6
B.
15
a
+ 13
a
-6
C.
15
a
2
+ 13
a
+ 6
D.
15
a
2
- 5
a
- 6
Hint
2.
Find the area of the parallelogram.
A.
(36
a
2
- 84
a
b
- 49
b
2
) cm
2
B.
(36
a
2
- 49
b
2
) cm
2
C.
(12
a
2
+ 14
b
2
) cm
2
D.
(36
a
2
+ 49
b
2
) cm
2
Hint
3.
Find (
x
+ 3)(
x
- 5).
A.
x
2
- 2
x
- 15
B.
x
2
+ 2
x
- 15
C.
x
2
+ 8
x
- 15
D.
x
2
- 15
Hint
4.
Find (4
y
- 5)(3
y
- 7).
A.
12
y
2
– 43
y
- 35
B.
12
y
2
– 13
y
+ 35
C.
12
y
2
– 43
y
+ 35
D.
12
y
2
+ 35
Hint
5.
Find (3
x
+ 4)(5
x
2
– 4
x
+ 6).
A.
15
x
3
+ 8
x
2
+ 2
x
+ 24
B.
8
x
2
- 13
x
+ 24
C.
15
x
3
+ 32
x
2
+ 34
x
+ 24
D.
5
x
2
+
x
+ 10
Hint