Answer
$-2-6\sqrt 3$
Work Step by Step
$(\sqrt 3-4)(2\sqrt 3+2)$
=$\sqrt 3(2\sqrt 3+2)-4(2\sqrt 3+2)$
=$2\sqrt 3\sqrt 3+2\sqrt 3-4(2\sqrt 3)-8$
=$2(3)+2\sqrt 3-8\sqrt 3-8$
=$6+2\sqrt 3-8\sqrt 3-8$
=$6-8+(2-8)\sqrt 3$
=$-2-6\sqrt 3$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 8 - Cumulative Review - Page 534: 42a
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