Algebra Examples

$f (x) = 3 x^{3} + x^{2} - x - 12$

Step 1

Set $3 x^{3} + x^{2} - x - 12$ equal to $0$ .

$3 x^{3} + x^{2} - x - 12 = 0$

Step 2

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

$x \approx 1.54898238$

Step 3