# How do you use find the zeroes of #f(x)=4x^3-4x#?

##### 1 Answer

Sep 15, 2016

#### Answer:

#### Explanation:

The zeroes of f(x) are the values of x that make f(x) = 0

That is

#4x^3-4x=0# Factorising gives.

#4x(x^2-1)=0rArr4x(x-1)(x+1)=0# solving for x.

#rArrx=0,x=+-1" are the zeroes"#