Question

How do you simplify `-3(a+5)+9`?

Answer 1

`-3a-6`

Explanation:

`-3(a+5)+9`
`(-3a-15)+9` `color(blue)(" Distributive property: "-3*a and -3*5)`
`-3a-15+9` `color(blue)(" Remove parentheses to make it more readable")`
`-3a-6` `color(blue)(" Add like terms: " -15+9=6)`