Answer
$2+0i$
Work Step by Step
$(-2 + 4i)-(-4+4i)=-2 + 4i+4-4i=(-2+4)+(4-4)i=2+(0)i=2+0i$
Trigonometry (11th Edition) Clone
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
978-0-13-421743-7
ISBN 13:
978-0-13421-743-7
Chapter 8 - Complex Numbers, Polar Equations, and Parametric Equations - Section 8.1 Complex Numbers - 8.1 Exercises - Page 364: 49
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