Answer:
5+10n
Step-by-step explanation:
multiply eaach term in the parentheses by 5
Caculate the product
than thats how you get the solution
You multiply 1 to the 5, and then you multiply 2n to the 5. It's called the distribution property if you want to know more about it.
First, we substitute k=-2 in the given expression and we calculate the numerical value.
<u>OAmalOHopeO</u>
6