Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 4 - Quadratic Functions and Equations - 4-8 Complex Numbers - Practice and Problem-Solving Exercises: 18

Answer

$6+3i$

Work Step by Step

Combine like the like terms: $2$ and $4$ which gives you $6$, and $4i$ and $-i$ which gives you $3i$. Your two final combinations give you the final answer of $6+3i$.
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