Completing the square is a technique for factoring quadratics. This article reviews the technique with examples and even lets you practice the technique yourself.

This challenge question gives us a shortcut to completing the square, for those that like shortcuts and don't mind memorizing things. It shows us that in order to complete x 2 + b x into a perfect …

In this video, I'm going to show you a technique called completing the square. And what's neat about this is that this will work for any quadratic equation, and it's actually the basis for the …

Rewrite the equation by completing the square. To use a minus sign, type a minus sign in the box.

That's what we do in completing a square, so that we can turn this into the perfect square of a binomial. Now, of course, we cannot just add the b over 2a squared to the left-hand side.

Sal solves the equation 4x^2+40x-300=0 by completing the square. Created by Sal Khan and Monterey Institute for Technology and Education.

Rewrite the function by completing the square. To use a minus sign, type a minus sign in the box.

Use completing the square to find the roots of the quadratic equation right here. And when anyone talks about roots, this just means find the x's where y is equal to 0.

The Foil method was used to show that if you have something squared, in this case (x+a)^2, it is the same as just multiplying (x+y) and (x+y). He is just going back to the fundamentals of …

What is the missing constant term in the perfect square that starts with x 2 16 x ?