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Kay [80]
3 years ago
6

(2 + 5i)(2 + i) please help me to understand how to do it

Mathematics
1 answer:
Tpy6a [65]3 years ago
8 0
<span>(2 + 5i)(2 + i) 
= 4 + 10i + 2i + 5i^2
= 4 + 12i + 5i^2</span>
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