SOLUTION: simplify: 15-5i^2+3i^32

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Question 550291: simplify: 15-5i^2+3i^32
Answer by TutorDelphia(193) About Me  (Show Source):
You can put this solution on YOUR website!
i=sqrt%28-1%29 so
i%5E2=-1
i^32 is the same as i%5E%282%2A16%29 and again i^2 is -1. So we just have -1^16 which is 1 since its a negative being taken to an even power.
So we have 15-5%2A%28-1%29%2B3%2A1 which would be 15+5+3 which is 23