Answer
$x=\pm i\sqrt {11}$
Work Step by Step
$x^{2}+11=0$
$x^{2}=-11$
$x=\pm\sqrt {-11}$
$x=\pm\sqrt {-1\times11}$
$x=\pm\sqrt {-1}\times\sqrt {11}$
$x=\pm i\times\sqrt {11}$
$x=\pm i\sqrt {11}$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 8 - Review - Page 532: 63
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