Answer
$3-2\sqrt{15x}$
Work Step by Step
Using the Distributive Property and the properties of radicals, then,
\begin{array}{l}
\sqrt{3}\left( \sqrt{3}-2\sqrt{5x} \right)
\\=
\sqrt{9}-2\sqrt{15x}
\\=
3-2\sqrt{15x}
.\end{array}
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Section 7.4 - Adding, Subtracting, and Multiplying Radical Expressions - Exercise Set - Page 439: 60
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