Calculus Examples

$P (x) = x^{3} + 17 x^{2} + 21 x - 9$

Step 1

Set $x^{3} + 17 x^{2} + 21 x - 9$ equal to $0$ .

$x^{3} + 17 x^{2} + 21 x - 9 = 0$

Step 2

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

$x \approx - 15.61855056, - 1.71704751, 0.33559808$

Step 3