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Mathematics
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Multiply (7 + 2i)(-5 - 10i).  

Oct 8th, 2015

Thank you for the opportunity to help you with your question!

(7 + 2i)(-5 - 10i

(7 x -5)= -35

2i x -10i= -20i

answer= (-35-20i)

5(-7-4I)



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Oct 8th, 2015

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