Question

Simplify using a suitable identity and mention the identity used

(4a + 5b)(4a - 5b)

Answer 1

Answer:

16a^2 - 25b^2

Step-by-step explanation:

We can distribute to simplify the problem :

-> 4a(4a - 5b) + 5b(4a-5b)

-> 16a^2 - 20ab + 20ab - 25b^2 (Combine like terms)

-> 16a^2 - 25b^2

Plz Mark as brainliest :)