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Mathematics 19 Online
OpenStudy (anonymous):

Simplify the given expression. (1 + 2i) • (5 − 3i)

OpenStudy (kamibug):

5 - 6i I might be wrong...

OpenStudy (anonymous):

Can you show me how you got the answer if you don't mind showing?

OpenStudy (kamibug):

Okay, I'm sure you've seen this in your class because it's how my teacher showed it to me last year. I think I remember it right.|dw:1392658804391:dw|

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