Question

What is the product of (6x + 4)(6x – 4)

Answer 1

Multiply out : take the first number in the first box (6x) in (6x+4) and multiply it by both numbers in the second box

$36x^2-24x$
then do the same with the second number in the first box
24x-16
then add those two together
$36x^2-16$