# How do you find the number of roots for #f(x) = x^3 + 2x^2 - 24x# using the fundamental theorem of algebra?

##### 1 Answer

Dec 19, 2015

You can't.

#### Explanation:

This theorem just tells you that a polynomial

1st of all, you can factorize by

Before using this theorem, we need to know if P(x) =

You first calculate

By using the quadratic formula, we find out that the two roots of P are

I hope it helped you.