Answer
$5-10i$
Work Step by Step
By combining the like terms, the expression $
(5-6i)-4i
$ simplifies to
\begin{array}{l}
5+(-6i-4i)
\\=
5-10i
.\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 - Section 7.7 - Complex Numbers - Exercise Set - Page 463: 71
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