write the polynomial with the given zeros 3, -3, and 4i

Question

I need to find the polynomial function

Answer 1

A general form for a polynomial in factored form is:
f(x)=(x-z1)(x-z2)(x-z3)
z1=3
z2=-3
z3=4i
f(x)=(x-3)(x+3)(x-4i)
f(x)=x^3-4ix^2-9x+36i

Polynomial Equations