<PRE><B>Question 550095</B>
simplify: 15-5i^2+3i^32
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i^2 = -1
i^32 = (i^4)^8 = 1*8 = 1
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Your Problem = 15-5*-1+3*1 = 15+5+3 = 23

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Cheers,
Stan H.
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