# Chapter R - Elementary Algebra Review - R.6 Rational Expressions and Equations - R.6 Exercise Set - Page 980: 10

$-1$

#### Work Step by Step

We can remove a factor of : $\frac{n-3}{n-3}=1$ $\frac{n-3}{3-n}=\frac{n-3}{-(n-3)}=\frac{1}{-1}=-1$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.