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Multiple (8+3i)(3+5i)

Multiple (8+3i)(3+5i)
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5 votes
Multiple (8+3i)(3+5i)

User Ram Mishra
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2 Answers

3 votes
The answer would be 9+49 i

User Shireef Khatab
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8.9k points
4 votes
Use FOIL: (8)(3) + (3i)(5i) + (3i)(3) + (8)(5i)
Simplify: (24) + (15i^2) + (9i) + (40i)
Since i^2= -1: 24 + (-15) + 9i + 40i
Group like terms: 49i + 9
Answer: 49i+9
User Mike Hearn
by
8.8k points
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