College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 5 - Section 5.6 - Complex Numbers; Quadratic Equations in the Complex Number System - 5.6 Assess Your Understanding: 50

Answer

$x=-22$

Work Step by Step

Square both sides of the equation to obtain: $3-x=5^2 \\3-x=25$ Subtract 3 on both sides of the equation to obtain: $3-x-3=25-3 \\-x=22$ Multiply $-1$ to both sides to obtain: $-x(-1) = 22(-1) \\x=-22$
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