# How do I use a graphing calculator to find the complex zeros of #f(x)=x^3-4x^2+25x-100#?

##### 1 Answer

Jun 4, 2015

I'll try doing it without the GC:

You may have noticed that the function can be rewritten:

If **real** root is

And the **complex** roots come from

Btw I have no idea how to do this with a GC.