Question

find the product of (2x+3) (2x-3) using appropriate identity

Answer 1

Your answer is 4x^2-9 its done by identity a^2-b^2.


Hope it help you

Answer 2

2x+3 and 2x-3
A+b and A-B= a2 + b2
(2x)2 - (-3)2
= 4x+6