SOLUTION: write a polynomial function f(x) of degree 3 with integer coefficients and zero of 6i and 4/5.

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Question 1100701: write a polynomial function f(x) of degree 3 with integer coefficients and zero of 6i and 4/5.
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
a%28x-6i%29%28x%2B6i%29%28x-4%2F5%29

a%28x%5E2%2B36%29%28x-4%2F5%29

You can choose a=5 for convenience:
5%2A%28x-4%2F5%29%28x%5E2%2B36%29
%285x-4%29%28x%5E2%2B36%29------------multiply the binomials and simplify if you want or need.