How to Solve Quadratic Equations Method 1of 3. So x5 x-5 0. Result - x1 6 3.
For example lets say that your starting cubic equation is.
Here are some examples. Completing the square involves creating a perfect square trinomial from the quadratic equation and then solving that trinomial by taking its square root. Completing the square Put the equation into the form ax 2 bx c. Combine all of the like terms and move them to one side of the equation.