In other words a quadratic equation must have a squared term as its highest power. Below are the 4 methods to solve quadratic equations. Because the discriminant b 2 4 ac is positive you get two different real roots.
Find x for each possible value of x one by one by isolating the variable and writing down the two solutions for x as the final solution.
A L 2 L 2 8 0 L. Generally speaking when you have to solve a cubic equation youll be presented with it in the form. Find x for each possible value of x one by one by isolating the variable and writing down the two solutions for x as the final solution. Heres how you do it.