Answer
(-6+6i)+(9-i) = 3+5i
Work Step by Step
1. (-6+6i)=(9-i)
2. Distribute the +sign: -6+6i+9-i
3. Combine like terms: 3+5i
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: 21
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