Find the Roots (Zeros) f(x)=4x^3-x^2-2x+1

$f (x) = 4 x^{3} - x^{2} - 2 x + 1$

Step 1

Set $4 x^{3} - x^{2} - 2 x + 1$ equal to $0$ .

$4 x^{3} - x^{2} - 2 x + 1 = 0$

Step 2

Graph each side of the equation. The solution is the x-value of the point of intersection.

$x \approx - 0.78769256$

Step 3