Answer
$-11-5i$
Work Step by Step
FOIL and combine like terms. Make sure to turn $i^2$ into $-1$.
$(2-3i)(1-i)-(3-i)(3+i)$
$2-2i-3i+3i^2-(9+3i-3i-i^2)$
$2-5i-3-9-1$
$-11-5i$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 1 - Equations and Inequalities - Exercise Set 1.4 - Page 142: 45
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