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: 20

Answer

$7+4i$

Work Step by Step

Combine the two like terms out of the three total: $9i$ and $-5i$. That gives you $4i$. Then, use your other term, $7$, in the final answer: $7+4i$.
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