# How do you multiply -2.5(3a+5)?

Jun 11, 2018

$- 7.5 a - 12.5$

#### Explanation:

$- 2.5 \left(3 a + 5\right)$

To simplify this, we use the distributive property (shown below):

Following this image, we know that:
$- 2.5 \left(3 a + 5\right) = \left(- 2.5 \cdot 3 a\right) + \left(- 2.5 \cdot 5\right)$
$= - 7.5 a - 12.5$

Hope this helps!