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