Answer
$2\sqrt{5}$
Work Step by Step
Using the properties of radicals that we know, we simplify:
$(6\sqrt{5})-(4\sqrt{5})=(6-4)\sqrt{5}=2\sqrt{5}$
College Algebra (10th Edition)
by Sullivan, Michael
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 - Page 78: 34
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