Question

3(5y + 3x)
8y + 6x
9y + 15x
15y + 9x
6y + 8x

Explanation:

Step1: Distribute 3 to 5y

$3 \times 5y = 15y$

Step2: Distribute 3 to 3x

$3 \times 3x = 9x$

Step3: Combine the results

$15y + 9x$

Answer:

15y + 9x (the third option)