SOLUTION: write expression 4i^3-2i^2+1 in standard form a+bi

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Question 989588: write expression 4i^3-2i^2+1 in standard form a+bi
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
4i^3-2i^2+1
4i^2*i-2i^2+1Break up i^3 into i^2*i
4(-1)*i-2(-1)+1Use the fact that i^2 = -1
-4*i+2+1
-4i+3
3-4i

We're now in standard form a+bi where a = 3, b = -4