Saved Bookmarks
| 1. |
Use suitable identity, simply (5a+4b)+(5a+4b) |
|
Answer» ong>Answer: 25a² + 16b² + 40ab Step-by-step EXPLANATION: Identity used – (a+b)² = a² + b² + 2ab = (5a+4b)² = (5a)² + (4b)² + 2(5a)(4b) = 25a² + 16b² + 40ab |
|