Completing The Square
In this lesson, you will learn how to use the completing the square technique to rewrite any quadratic equation into a more useful form by learning how the formula is derived.
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Proving Complete The Square Formula
In this video, we will go through how the completing the square formula is derived. If you prefer understanding Maths at a deeper level, you can use this method instead of simply memorising the formula. The formula for Complete The Square is:
\(x^2+nx+c=\left(x+\frac{n}{2}\right)^2-\left(\frac{n}{2}\right)^2+c\)