Answer
$-13-3i$
Work Step by Step
By combining the real parts and the imaginary parts, the expression $
(-8-7i)-(5-4i)
$ simplifies to
\begin{array}{l}
-8-7i-5+4i
\\=
(-8-5)+(-7i+4i)
\\=
-13-3i
.\end{array}
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Review - Page 470: 132
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