# How do you differentiate #f(x)=x^3(4x - 12)# using the product rule?

##### 1 Answer

Dec 14, 2015

**Product Rule:**

If we have two functions

Original Equation:

The two equations you're multiplying are

Take the derivative of the first equation (

You should get

Next, take the derivative of the second equation (

You should get

Now add them together.

You should get

Multiply it out and combine like terms.

Your final answer should be