Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - R.6 Rational Exponents - R.6 Exercises - Page 64: 92



Work Step by Step

The least exponent of the variable is $-8$. The numerical coefficients have a greatest common factor of $5$. Factor out $5r^{-8}$ to obtain: $=\color{blue}{5r^{-8}(r^2-2)}$
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