Question

the product of ( 2a+3b) and ( 2a- 3b)​

Answer 1

Answer:

(2a+3b)(2a-3b) = 4a^2 - 9b^2

using (a+b)(a-b) = a^2 - b^2

Answer 2

Answer:

(2a)^2-(3b)^2

4a^2-9b^2