Question 664068
f(x) = x^3 - 9x
=x(x^2 - 9)
=x(x-3)(x+3)
...
x = 0, 3, or -3
...
{{{graph(300,200,-10,10,-10,10,x^3-9x)}}}
.....................
Delighted to help.
-Reading Boosters
Wanting for others what we want for ourselves.
www.MyHomeworkAnswers.com