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How do I solve this ? (5+i)(4-2i)
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4 votes
How do I solve this ? (5+i)(4-2i)

User Hbatista
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1 Answer

4 votes
(5 + i)(4 - 2i)
20 - 10i + 4i - 2i²
20 - 6i - 2(-1)
20 - 6i + 2
20 + 2 - 6i
22 - 6i
User Suellen
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