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 - 10.8 The Complex Numbers - 10.8 Exercise Set - Page 686: 27



Work Step by Step

Adding the real parts and the imaginary parts, the given expression, $ (3+4i)+(2-7i) ,$ simplifies to \begin{array}{l}\require{cancel} (3+2)+(4i-7i) \\\\= 5-3i .\end{array}
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