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Mathematics 13 Online
OpenStudy (anonymous):

(1+2i)•(5-3i)

OpenStudy (anonymous):

1*5 + 1*(-3i) + 2i*5 + 2i *(-3i) 5 - 3i + 10i - 6i^2 5 + 7i -6*(-1) 5 + 6 + 7i 11 + 7i

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