Completing the Square for a Quadratic

Rarely Tested

Completing the Square for a Quadratic

$$ax^2+bx+c=a\left[\left(x+\frac{b}{2a}\right)^2-\frac{b^2-4ac}{4a^2}\right]$$

Usage

- Used to convert quadratic denominators into standard logarithmic or inverse-tangent forms.

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