Question

(2x+3)(2x-3)

Answer 1

(2x+3)(2x-3) = (2x)² - 3² = 4x² - 9

Answer 2

(2x+3)(2x-3) = 2x²- 3² = 4x² - 9

Answer 3

(2x + 3)(2x - 3) 

= (2x)² - 3²

= 4x² - 3²

= 4x² - 9.