Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 7 - Review - Page 470: 132



Work Step by Step

By combining the real parts and the imaginary parts, the expression $ (-8-7i)-(5-4i) $ simplifies to \begin{array}{l} -8-7i-5+4i \\= (-8-5)+(-7i+4i) \\= -13-3i .\end{array}
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