I'm not sure how to do this question.

Hi Darian;

-(r-2-8p)

This can also be written as...

-1(r-2-8p)

Instead of a minus sign as a coefficient, there is now a -1. It is the same thing...

Let's distribute...

(-1)(r)=-r

(-1)(-2)=2, negative multiplied by a negative is positive.

(-1)(-8p)=8p, negative multiplied by a negative is positive.

**-r+2+8p**