# Question #5db95

##### 1 Answer

Sep 12, 2017

Complete the square, which will result in:

#### Explanation:

To solve this problem, complete the square by adding

Now the LHS is a perfect square, which means we can factor it into:

Taking the square root of both sides:

Those are the root, or zeros, of the quadratic equation.

If you want the parabola, it is:

graph{x^2-16 [-26.4, 24.94, -16.73, 8.93]}