Question

Find the product using identities( 2x +3) (2x – 3)

Answer 1

identity = (a + b) (a - b) = a² - b²

a = 2x
b = 3

a² - b²

(2x)² - (3)²

4x² - 9

Answer 2

identity=(a+b) (a-b) = a2-b2
$a = 2x$
$b = 3$
${(2x)}^{2} - {(3)}^{2}$

${4x}^{2} - 9$