Precalculus (6th Edition)

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

Chapter R - Review of Basic Concepts - R.7 Radical Expressions - R.7 Exercises - Page 75: 62



Work Step by Step

Although the sum of two cubes $27+a^3$ can be factored as $(3+a)(9+3a+a^2)$, neither factor is a perfect cube. Thus, the given radical is already in its simplest form.
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