Precalculus Examples

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

Step 1

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

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

Step 2

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

$x \approx - 1.81886891$

Step 3