SOLUTION: Degree 4; zeros 6, multiplicity 2; 3i

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Question 1194106: Degree 4; zeros 6, multiplicity 2; 3i
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39631) About Me  (Show Source):
You can put this solution on YOUR website!
%28x-6%29%5E2%28x-3i%29%28x%2B3i%29
and you can do the algebra steps.

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highlight%28x%5E4-12x%5E3%2B9x%5E2-72x%2B324%29

Answer by ikleyn(52933) About Me  (Show Source):
You can put this solution on YOUR website!
.

The problem is posed  INCORRECTLY  in your post,

since it  DOES  NOT  DECLAIR  that the polynomial has real coefficients.


As it is worded in your post,  the problem can not be solved,  at all.