# How do you find the zero of #f(x)=4x-12#?

##### 1 Answer

Oct 28, 2017

#### Answer:

Solve the equation for

Then,

#### Explanation:

I assume you mean to find the solution/root (radical)

Then, this is simple.

Just set

First we can add 12 on both sides of the equality:

which becomes

We can now divide both sides of the equality by 4:

and we have

The "zero", or the solution for

Q.E.D.