9(b+2a)2-4a2

Asked by vrundasorathiya83 | 1st Jul, 2021, 10:22: AM

Expert Answer:

9(b + 2a)2 - 4a2
= 9b2 + 36a2 +36ab - 4a2
= 9b2 + 32a2 +36ab

Answered by Renu Varma | 1st Jul, 2021, 10:58: AM