Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 8 - Section 8.1 - Complex Numbers - 8.1 Problem Set - Page 426: 44



Work Step by Step

$[(4-5i) - (2+i)] + (2+5i)$ Work first in brackets, collecting like terms, do not forget to distribute the negative sign $[((2-6i)] + (2+5i)$ Now look at both complex numbers left and combine like terms $(4-i)$
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