Which model represent the factors of 4x^2-9

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

Step-by-step explanation:

Given

4x² - 9

This is a difference of squares and factors in general as

a² - b² = (a - b) (a + b)

4x² = (2x) ² ⇒ a = 2x

9 = 3² ⇒ b = 3, thus

4x² - 9 = (2x - 3) (2x + 3) ← in factored form