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 - Study Summary - Practice Exercises: 21

Answer

$3-2i$

Work Step by Step

Removing the grouping symbol and then combining the real parts and the imaginary parts, the given expression, $ (2-i)-(-1+i) ,$ simplifies to \begin{array}{l}\require{cancel} (2-i)-(-1+i) \\\\= 2-i+1-i \\\\= (2+1)+(-i-i) \\\\= 3-2i .\end{array}
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.