Answer
$6+0i$ or $6$
Work Step by Step
Subtract each term of the subtrahend:
$(3-4i)-(-3-4i)=3-4i+3+4i$
Combine like terms.
$=6+0i$
$=6$
Hence, the solution in the standard form is $6+0i$ or $6$.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Appendix A - Review - A.7 Complex Numbers; Quadratic Equations in the Complex Number System - A.7 Assess Your Understanding - Page A60: 14
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