Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 10 - Exponents and Radicals - Review Exercises: Chapter 10 - Page 694: 53



Work Step by Step

Removing the grouping symbols and then combining the real parts and the imaginary parts, the given expression is equivalent to \begin{array}{l}\require{cancel} (-4+3i)+(2-12i) \\\\= -4+3i+2-12i \\\\= (-4+2)+(3i-12i) \\\\= -2-9i .\end{array}
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