Question 5
Find all zeros of the function $f(x)=9 x^{3}-18 x^{2}-67 x-20$. Enter the zeros separated by commas.
Question Help:
Video
\(\boxed{-5/3, -1/3, 4}\)
Step 1 :To find the zeros of the function, we need to solve the equation \(f(x) = 0\). This means we need to solve the cubic equation \(9x^3 - 18x^2 - 67x - 20 = 0\).
Step 2 :The zeros of the function are \(-5/3\), \(-1/3\), and \(4\).
Step 3 :\(\boxed{-5/3, -1/3, 4}\)