Answer
$x=2\pm2i$
Work Step by Step
Let $x$ be the number we are looking for. Then: $3(x-2)^2=-12\\(x-2)^2=-4\\(x-2)=\pm2i\\x=2\pm2i$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 8 - Section 8.1 - The Square Root Property and Completing the Square - Exercise Set - Page 593: 63
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