a |
a+1 |
a2-2a |
a2-4 |
a+1 |
a23a+2 |
a |
a+1 |
a2-2a |
a2-4 |
a+1 |
a23a+2 |
a(a+1)-a |
a+1 |
(a+2)(a-2) |
a(a-2) |
a+1 |
(a-2)(a-1) |
a2 |
a+1 |
(a+2)(a-2) |
a(a-2) |
a+1 |
(a-2)(a-1) |
a2(a+2) |
a(a-1)(a-2) |
a(a+2) |
(a-1)(a-2) |
a |
a+1 |
a2-2a |
a2-4 |
a+1 |
a23a+2 |
a(a+1)-a |
a+1 |
(a+2)(a-2) |
a(a-2) |
a+1 |
(a-2)(a-1) |
a2 |
a+1 |
(a+2)(a-2) |
a(a-2) |
a+1 |
(a-2)(a-1) |
a2(a+2) |
a(a-1)(a-2) |
a(a+2) |
(a-1)(a-2) |