Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.7 - Complex Numbers - Practice - Page 736: 12



Work Step by Step

Step 1: $-2i(6-2i)$ Step 2: $-2i(6)-2i(-2i)$ Step 3: $-12i+4i^{2}$ Step 4: Since $i^{2}=-1$, $-12i+4(-1)$. Step 5: $-12i-4$ Step 6: $-4-12i$
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