#### Answer

$\pm 2\sqrt{3}i$

#### Work Step by Step

$x^{2}=-12$
$ x=\pm\sqrt{-12}=\pm \sqrt{-4*3}=\pm 2\sqrt{3}i$

Published by
Brooks Cole

ISBN 10:
1305115546

ISBN 13:
978-1-30511-554-5

$\pm 2\sqrt{3}i$

$x^{2}=-12$
$ x=\pm\sqrt{-12}=\pm \sqrt{-4*3}=\pm 2\sqrt{3}i$

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