College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter R - Section R.8 - nth Roots; Rational Exponents - R.8 Assess Your Understanding: 34

Answer

$2\sqrt{5}$

Work Step by Step

Using the properties of radicals that we know, we simplify: $(6\sqrt{5})-(4\sqrt{5})=(6-4)\sqrt{5}=2\sqrt{5}$
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