SOLUTION: find the complex zeros of the polynomial function write f in the factored form.
x^3+216
Algebra.Com
Question 316117: find the complex zeros of the polynomial function write f in the factored form.
x^3+216
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Use the sum of two cubes factorization:
\ =\ (a\ +\ b)\left(a^2\ -\ 2ab\ +\ b^2\right))
You get the real factor directly and the two complex roots come from using the quadratic formula.
Hint: 
John
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