SOLUTION: x^3-3x^2+3x-9=0 answer can also include complex numbers

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Question 33880: x^3-3x^2+3x-9=0
answer can also include complex numbers
Found 2 solutions by stanbon, Nate:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Graphing it I find x=3 is a zero.
Dividing by x-3 I get Quotient = x^2+3
Therefore (x-3)(x^2+3)=0
x=3 or x=3i or x=-3i
Cheers,
Stan H.

Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
Simplify using descartes rule of sign and synthetic division or whatever you use to get:
(x - 3)(x^2 + 3) = 0
use the rule of zeroes to get:
x+=+3+and+%2B-i%283%29%5E%281%2F2%29