Answer
$9+13i$
Work Step by Step
Combining lke terms, we obtain:
$(7+10i)+(2+3i)=(7+2)+(10i+3i)=9+13i$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 11 - Additional Topics - 11.4 - Complex Numbers - Problem Set 11.4 - Page 493: 14
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