Answer
$(4-i)$
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
$(4-i)$
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
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
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