Answer
$\frac{4(m + 9)}{(m + 3)(m - 7)}$
Work Step by Step
In multiplying two rational expressions, we combine the two expressions together into one by multiplying the numerators together and multiplying the denominators together:
$\frac{4(m + 9)}{(m + 3)(m - 7)}$
We can keep the simplified expression in this form.
