Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - 1.3 Complex Numbers - 1.3 Exercises - Page 111: 9



Work Step by Step

Simplify the left side of the equation. Subtract each term of the subtrahend to obtain: $-2+7i-10-(-6i) \\=-2+7i-10+6i$ Combine like terms to obtain: $=(-2-10) + (7i+6i) \\=-12+13i$ The expression above is not equal to the right side of the given equation. Thus, the given statement is false.
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