Answer
$-\sqrt 2$
Work Step by Step
Applying the rules of radicals:
$4\sqrt 50-7\sqrt 18$
$=4.5\sqrt 2-7.3\sqrt 2$
$=-\sqrt 2$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 10 - Radical Expressions and Equations - 10-3 Operations With Radical Expressions - Practice and Problem-Solving Exercises - Page 630: 54
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