College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 1 - Section 1.3 - Complex Numbers - 1.3 Exercises: 52

Answer

$-2+16i$

Work Step by Step

Use the FOIL method to multiply the binomials. $-8+4i+12i-6i^2$ Substitute $-1$ for $i^2$. Also, add/subtract like terms. $-8+16i-6(-1)$ Simplify. $-2+16i$
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