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Formula pq-Formula (Solution of a Quadratic Equation)

Formula
Formula: pq-Formula (Solution of a Quadratic Equation)

First solution

Unit
The quadratic equation \(x^2+\class{red}{p}\,x + \class{blue}{q} ~=~ 0\) has two solutions \(x_1\) and \(x_2\). Here \(x_1\) is the first solution with a plus sign.

Second solution

Unit
Second solution with a minus sign.

Coefficients

Unit
Coefficients of the quadratic equation.