x + 1
-1
x - 1
1
6ab
12ab
18ab
24ab
2
4
0
6
11
12
13
14
49/9
14/9
7
7/3
5/3
2/3
3/5
5/7
27
47
49
51
x3 - 3
(x - 1)3
x3 - 1
x3 + 4x2 +1
2x4 + 1
2x2x4 - 1
2x2x4 + 1
2x4 - 1