What is the correct simplification of

-2(a + 5)?

The correct simplification of -2(a + 5) is -2a - 10.

To simplify the expression -2(a + 5), we can start by distributing the -2 to both terms inside the parentheses.

-2(a + 5) = -2a - 2(5)

Next, we can simplify the multiplication.

-2(a + 5) = -2a - 10

Therefore, the correct simplification of -2(a + 5) is -2a - 10.

To simplify the expression -2(a + 5), you can use the distributive property. The distributive property states that a number can be distributed or multiplied to each term within a set of parentheses.

First, distribute the -2 to both terms inside the parentheses:

-2(a + 5) = -2 * a + (-2 * 5)

Simplifying further:

-2(a + 5) = -2a + (-10)

Finally, the expression -2(a + 5) simplifies to -2a - 10.