How do you solve the quadratic equation by completing the square: x^2-6x-8=0x2−6x−8=0?
1 Answer
Jul 14, 2015
Explanation:
In order to solve a quadratic equation by completing the square, we must force a perfect square trinomial on the left side.
Add
Divide the coefficient of the
We now have a perfect square trinomial on the left side, in which
Now we can solve for
Take the square root of both sides.