Question

Evaluate (3a + 2) (3a - 2)​

Answer 1

Answer:

Step-by-step explanation:

(3a + 2) (3a - 2)​

(a + b ) (a - b ) = a² - b²

(3a + 2) (3a - 2)​ = (3a)² - (2²)

9a² - 4

Answer 2

Step-by-step explanation:

$(3a + 2)(3a - 2) \\ = 9a {}^{2} + 6a + 6a - 4 \\ 9a {}^{2} + 12a - 4$

I hope you understand