In a quadratic equation, this will expose its two roots.
One solution was all he looked for in a quadratic equation.
When was the last time you were asked to solve a quadratic equation?
Why, I can do long, complicated quadratic equations in my head quite easily, and it is great fun!
He was one of the first to give a formula for solving quadratic equations.
There is another way to solve the general quadratic equation.
None of these parts require the knowledge about solving quadratic equations.
A quadratic equation over the complex numbers has two roots.
He replied "no, but I knew a lot of quadratic equations!"
The most well-known example is the solution of the general quadratic equation.
