Calculus Examples

$f (x) = x^{3} - 4.5 x^{2} - 12 x + 20$

Step 1

Set $x^{3} - 4.5 x^{2} - 12 x + 20$ equal to $0$ .

$x^{3} - 4.5 x^{2} - 12 x + 20 = 0$

Step 2

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

$x \approx - 2.69742219, 1.24579052, 5.95163166$

Step 3