College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 1 - Review Exercises - Page 163: 20



Work Step by Step

Removing the grouping symbols and the combining the real parts and the imaginary parts, the given expression $ (-11+2i)-(8-7i) ,$ simplifies to \begin{array}{l}\require{cancel} -11+2i-8+7i \\\\= (-11-8)+(2i+7i) \\\\= -19+9i .\end{array}
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