Formula library

Quadratic Equation Solver

Quadratic Equation Solver
\[\begin{aligned} x_1 &= \frac{-b+\sqrt{b^2-4ac}}{2a} \\ x_2 &= \frac{-b-\sqrt{b^2-4ac}}{2a} \end{aligned}\]

Variables

aquadratic coefficient
blinear coefficient
cconstant term
x1first root
x2second root

Description

What is this formula?

This formula solves quadratic equations of the form:


ax^2+bx+c=0


It calculates the two possible roots using the quadratic formula.


When to use it

Use this formula when solving second-degree polynomial equations with one variable.


Example

For:


x^2-5x+6=0


The roots are:


x1=3

x2=2


Applications

- Algebra and mathematics

- Projectile motion calculations

- Engineering analysis

- Physics equations

- Optimization problems

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