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27-01-2017
Mathematics

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How would I simplify (-5i)(-3i)?

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Apocrophon Apocrophon

27-01-2017

(-5i)(-3i)
This can be represented as:
[tex] (-5 * -3)(i * i)\\
(15)(\sqrt{-1}*\sqrt{-1})\\
15(\sqrt{-1}^{2})\\
15*-1\\\\
-15 [/tex]

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