Question

(a+2)(a-2) expand the quadratic equation

Answer 1

Hey friend, ☺️ here is your answer ___________________________

$(a + 2)(a - 2) \\ = a(a - 2) + 2(a - 2) \\ = {a}^{2} - 2a + 2a - 4 \\ = {a}^{2} - 4$
Hope this helps you..

Answer 2

$(a + 2)(a - 2) = {a}^{2} - {2}^{2}$
$= {a}^{2} - 4$