-6(a+8)

-6a - 48

To simplify the expression -6(a+8), you can distribute the -6 to both terms inside the parentheses. This means that you multiply -6 by both a and 8.

So, -6(a+8) becomes -6 * a + -6 * 8.

Now let's multiply the terms:

-6 * a = -6a

-6 * 8 = -48

Therefore, the simplified expression is -6a - 48.