Answer
$2-2i$
Work Step by Step
$(7-\displaystyle \frac{1}{2}i)-(5+\frac{3}{2}i)=7-5-\frac{1}{2}i-\frac{3}{2}i=2-2i$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 1, Equations and Graphs - Section 1.5 - Complex Numbers - 1.5 Exercises - Page 131: 23
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