3 x (7+3m)

1 answer

To simplify the expression \( 3 \times (7 + 3m) \), you distribute the \( 3 \) to both terms inside the parentheses:

\[ 3 \times (7) + 3 \times (3m) = 21 + 9m \]

So, the simplified expression is:

\[ 21 + 9m \]