Question

simplyfy using identities (4a+7) (4a-7)​

Answer 1

Answer:

4a×4a-7+7×4a-7

16a2-28a+28a-49

16a2-49

Answer 2

Answer:

Answer is 16a²-49

Step-by-step explanation:

(4a+7)(4a-7)

using the identity:

(a+b)(a-b) = a²-b²

(4a)²-(7)²

16a²- 49

HOPE IT HELPS..

PLEASE FOLLOW ME

MARK ME AS BRAINLIEST