Precalculus (6th Edition)

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: 27

Answer

$$\color{blue}{-30-40i}$$

Work Step by Step

$-5i(3-i)^2$ $-5i(9+(2)(-3i)+i^2)$ $-5i(9+-6i+(-1))$ $-5i(8+-6i)$ $-40i+30i^2$ $-40i+30(-1)$ $-40i-30$ in standard form $a+bi$: $\color{blue}{-30-40i}$
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