Let n represent an even integer. Write an expression for the sum of that number and the next three even integers after it Simplify your expression fully.

Question

 I need Help Can someone explain

 

Answer 1

Each even integer is two more than the preceding.

The four even integers are:

n, n + 2, n + 4, n + 6, n + 8

Adding those expressions results in

5n + 20