Answer
$$\color{blue}{{-19+9i}}$$
Work Step by Step
$\left( -11+2i\right) -\left( 8-7i\right) =-11-8+2i+7i=9i-19$
In standard form: $\color{blue}{{-19+9i}}$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 1 - Equations and Inequalities - Chapter 1 Test Prep - Review Exercises - Page 178: 20
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