Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 7 - Section 7.7 - Complex Numbers - Exercise Set: 25

Answer

$ -2 + 9i$

Work Step by Step

Subtract each term of the subtrahend $=3 + 2i - 5 - (-7i) \\=3 + 2i - 5 +7i$ Regroup then simplify by combining like terms to obtain $=(3 - 5) + (2i+7i) \\= -2 + 9i$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.