Combine all of the like terms and move them to one side of the equation. But sometimes a quadratic equation doesnt look like that. In the formula the a is the coefficient of the x-squared term.
You can also solve quadratic equations by using the Quadratic Formula and by Factoring.
Find the square root. But sometimes a quadratic equation doesnt look like that. The b is the coefficient of the x-term. The c in the formula is the constant.