College Algebra 7th Edition

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: 25

Answer

$-19+4i$

Work Step by Step

$(-12+8i)-(7+4i)=-12-7+8i-4i=-19+4i$
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