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## Homework Statement

_{10087}

Ʃ6n+8

^{i=4}

I'm just going to call that

**S**

## Homework Equations

Ʃ of i = 1 to n is n(n+1)/2

## The Attempt at a Solution

I know I can separate the two terms:

**S**6n +

**S**8

And then pull the constants out?

6n*

**S**1 + 8

**S**1

But can I use 1 as the new constant or do I have to use 4 since that is the index? Do I just multiply 4 by 10087? Or 1 by 10087 and then subtract... something? I don't know, the index of 4 is really throwing me off.