Answer
$-17\sqrt3$
Work Step by Step
Simplify each radical to obtain:
$=\sqrt{3} - 6\sqrt{9(3)}
\\=\sqrt{3}-6\sqrt{3^2(3)}
\\=\sqrt3 - 6(3)\sqrt3
\\=\sqrt3-18\sqrt3
\\=\sqrt3(1-18)
\\=\sqrt3(-17)
\\=-17\sqrt3$
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 5 - Number Theory and the Real Number System - Chapter Summary, Review, and Test - Review Exercises - Page 335: 74
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