równanie drugiego stopnia

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.