#### Answer

$-\sqrt 2$

#### Work Step by Step

Applying the rules of radicals:
$4\sqrt 50-7\sqrt 18$
$=4.5\sqrt 2-7.3\sqrt 2$
$=-\sqrt 2$

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Published by
Prentice Hall

ISBN 10:
0133281140

ISBN 13:
978-0-13328-114-9

$-\sqrt 2$

Applying the rules of radicals:
$4\sqrt 50-7\sqrt 18$
$=4.5\sqrt 2-7.3\sqrt 2$
$=-\sqrt 2$

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