Question

question
factor the expression completely.
$9x + 15$

Explanation:

Step1: Find GCD of 9 and 15

$\gcd(9,15) = 3$

Step2: Factor out the GCD

$9x + 15 = 3(3x) + 3(5) = 3(3x + 5)$

Answer:

$3(3x + 5)$