# How do you solve the quadratic using the quadratic formula given #2n^2-n-4=2#?

##### 1 Answer

Oct 10, 2016

#### Explanation:

First, you have to make the equation equal 0, so subtract 2 on both sides of the equation

Next, you are going to plug numbers into the quadratic equation, which is:

In your equation, the

So, pug in your numbers into the formula

Solve what's under the radical first

Take the square root of 49

Because the problem was a square root, and there is a

So, one of the answers is 2

So, the second answer is