Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Appendix A - Review - A.11 Complex Numbers - A.11 Assess Your Understanding - Page A94: 9



Work Step by Step

By removing the parentheses and combining the like terms, we obtain $$\begin{align*} (2 - 3i) + (6 + 8i)&=2-3i+6+8i\\&=(2+6)+(-3i+8i)\\&=8+5i \end{align*}$$
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