# How do you use the definition of a derivative to find the derivative of #f(x)=x^2+x#?

##### 1 Answer

#### Answer:

I found:

#### Explanation:

The definition tells us that:

Where

With our function we have:

Expanding:

Collect

As

I found:

The definition tells us that:

Where

With our function we have:

Expanding:

Collect

As