Answer
$x=\pm 5i$
Work Step by Step
We solve by isolating x:
$x^{2}+25=0$
$x^{2}=-25$
$x=\pm\sqrt{-25}=\pm 5i$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 1 - Section 1.3 - Complex Numbers; Quadratic Equations in the Complex Number System - 1.3 Assess Your Understanding - Page 112: 58
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