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What are the steps to find (2+2i)(5+3i)?

What are the steps to find (2+2i)(5+3i)?
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1 vote
What are the steps to find (2+2i)(5+3i)?

User Luke Mills
by
9.0k points

2 Answers

3 votes

Answer:

16i + 4

Explanation:

(2 + 2i)(5 + 3i) =

= 2×5 + 2i×5 + 2×3i + 2i×3i

= 10 + 10i + 6i + 6i²

= 6i² + 16i + 10

= - 6 + 16i + 10

= 16i + 4

User Kandarp
by
8.7k points
4 votes

(2+2i)(5+3i)
10+6i+10i+6i^2
10+16i+6(-1)
4+16i
When you have an “i^2”, you also have a negative one. The simplified answer is 4+16i
User Shahrzad
by
8.3k points
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