Question

Given that f(x) is a cubic function with zeros at -9, and 3i-4. And that f(-6) = 4, what is f(x)?

f(x) =

Answer 1

@jim_thompson5910

Answer 2

@Preetha

Answer 3

@kropot72

Answer 4

You know, whenever a complex number is a root of a polynomial (with real coefficients) the conjugate of that complex number is also a root.