Answer
$6i-(4-i)$ = $-4+7i$
Work Step by Step
1. $6i-(4-i)$
2. Distribute the - sign: $6i-4+i$
3. Combine like terms: $-4+7i$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 1 - Section 1.6 - Complex Numbers - 1.6 Exercises - Page 64: 26
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