See examples of using the formula to solve a variety of equations. Factoring Quadratic Equations With Coefficients. Simply you just have to complete the square of ax 2 bx c 0 to get the quadratic formula.
Step 3 Complete the square on the left side of the equation and balance this by adding the same value to the right side of the equation.
Add the square of half the coefficient of 𝑥 to both sides 𝑏 2. Use the Completing the Square Method. Divide each term by the leading coefficient o if the leading coefficient is 1 1 skip this step 2. If it does not then divide the entire equation by a a.