Answer
$8 + 15i$
Work Step by Step
Subtract each term of the subtrahend
$=-5 + 4i - (-13) - (-11i)
\\=-5 + 4i +13 +11i$
Regroup then simplify by combining like terms to obtain
$=(-5 +13) + (4i+11i)
\\= 8 + 15i$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 7 - Section 7.7 - Complex Numbers - Exercise Set - Page 570: 27
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