Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Appendix A - A.4 - Quadratic Equations - Exercises - Page 560: 5b

Answer

$3\sqrt 5$

Work Step by Step

$\sqrt 45$ The square root of 9 times the square root of 5 $\sqrt 9\times\sqrt 5$ The result is 3 times the the square root of 5 $3\sqrt 5$
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