Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Review - Exercises: 76

Answer

$x=\pm2\sqrt{3}i$

Work Step by Step

$x^{2}=-12$ Take the square root of both sides: $\sqrt{x^{2}}=\sqrt{-12}$ $x=\sqrt{-3\cdot4}$ $x=\pm2\sqrt{3}i$
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