| 4ac |
| 3b |
| 9b2 |
| 2ac3 |
| a2-4 |
| 8a2b |
| 12ab |
| 3a-6 |
| 16-a2 |
| a2-8a+16 |
| 2m+4 |
| m2-4m+4 |
| 2m-4 |
| m4-16 |
| 6b |
| c2 |
| (a+2)(a-2) |
| 8a2b |
| 12ab |
| 3(a-2) |
| a+2 |
| 2a |
| -(a+4)(a-4) |
| (a-4)2 |
| 2(m+2) |
| (m-2)2 |
| 2(m-2) |
| (m+4)(m-4) |
| 4(m+2) |
| (m-2)(m2+4) |
| 6b |
| c2 |
| (a+2)(a-2) |
| 8a2b |
| 12ab |
| 3(a-2) |
| a+2 |
| 2a |
| -(a+4)(a-4) |
| (a-4)2 |
| 2(m+2) |
| (m-2)2 |
| 2(m-2) |
| (m+4)(m-4) |
| 4(m+2) |
| (m-2)(m2+4) |