1.
Find (-5
x
+ 6) - (-2
x
- 7).
A.
-3
x
+ 1
B.
-7
x
- 1
C.
-7
x
- 13
D.
-3
x
+ 13
Hint
2.
Simplify (4
x
2
- 3
x
- 2) - (7
x
2
+ 4
x
+ 3).
A.
-3
x
2
- 7
x
- 5
B.
3
x
2
- 7
x
- 5
C.
-3
x
2
- 7
x
+ 1
D.
-3
x
2
+
x
- 5
Hint
3.
Find the difference (10
x
+ 8) – (5
x
+ 4).
A.
5
x
+ 12
B.
15
x
+ 4
C.
5
x
+ 4
D.
15
x
+ 12
Hint
4.
Find the difference (14
x
2
+ 3
x
+ 11) – (10
x
2
+ 5).
A.
4
x
2
+ 3
x
+ 6
B.
4
x
2
+ 3
x
+ 16
C.
24
x
2
+ 3
x
+ 16
D.
24
x
2
+ 3
x
+ 6
Hint
5.
Find the difference (2
x
+ 6) – (7
x
+ 3).
A.
-5
x
+ 3
B.
5
x
+ 3
C.
-5
x
+ 9
D.
9
x
+ 9
Hint