Saved Bookmarks
| 1. |
Factorise 6a2 -21b2-3b-2a-5ab |
|
Answer» Answer: = 6a2 – 3a2b + 2c2 – bc2 (By GROUPING) = 3a2 (2 –B) + c2 (2 – b) = (2 – b) (3a2 + c2) |
|