# How do you expand 3(x+5)?

$3 x + 15$
To expand $3 \left(x + 5\right)$ you distribute or multiple each term within the parenthesis by the term out side the parenthesis, in this case $3$.
$3 \left(x + 5\right) \implies \left(3 \times x\right) + \left(3 \times 5\right) \implies 3 x + 15$