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: 52

Answer

$(-4-i)-(2+3i)+(-4+5i)=-10+i$

Work Step by Step

$(-4-i)-(2+3i)+(-4+5i)$ Remove all grouping symbols: $(-4-i)-(2+3i)+(-4+5i)=-4-i-2-3i-4+5i=...$ Group like terms (real parts together and imaginary parts too): $...=(-4-2-4)+(-i-3i+5i)=...$ Evaluate the indicated operations: $...=-10+i$
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