Saved Bookmarks
| 1. |
(2a+b) (2a+b+1)-72 factorise the following |
|
Answer» Step-by-step EXPLANATION: (2a+b)(2a+b+1)-72 =4a^2+2ab+2a+2ab+b^2+b-72 =4a^2+b^2+4ab+2a+b-72 |
|