For the long equation:
$f = \frac{384x^8-2,304x^7-2,624x^6+41,568x^5-63,693x^4-118,309x^3+418,032x^2-405,405x}{3,072x^2+9,216}$
I have to find the stationary points in maple between the interval $[-10, 10]$. There should be $3$ stationary points in the answer.