Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter R - Elementary Algebra Review - R.6 Rational Expressions and Equations - R.6 Exercise Set - Page 980: 7



Work Step by Step

We can remove a factor of : $\frac{t-4}{t-4}=1$ $\frac{t^2-2t-8}{t^2-16}=\frac{(t-4)(t+2)}{(t+4)(t-4)}=\frac{t+2}{t+4}$
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