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Summary

The quadratic formula is a useful tool for solving quadratic equations. It can be derived by completing the square of a quadratic equation
1
, and is one of the most important formulas in mathematics.
The formula is written as ax² + bx + c = 0, where a, b, and c are constants, and x is the unknown variable.
The solution to the equation is given by x =
/2a.
This formula can be used to solve a variety of equations, from simple to complex.

According to

About the Quadratic Formula First of all what is that plus/minus thing that looks like ± ?

Quadratic Equations
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Summary
The quadratic formula helps you solve quadratic equations, and is probably one of the top five formulas in math. We’re not big fans of you memorizing formulas, but this one is useful (and we think you should learn how to derive it as well as use it, but that’s for the second

Quadratic formula explained (article) | Khan Academy
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In algebra, a quadratic equation (from Latin quadratus 'square') is any equation that can be rearranged in standard form as[1]

Quadratic equation - Wikipedia
wikipedia.org

In elementary algebra, the quadratic formula is a formula that provides the solution(s) to a quadratic equation. There are other ways of solving a quadratic equation instead of using the quadratic formula, such as factoring (direct factoring, grouping, AC method), completing the square, graphing and others.

Quadratic formula - Wikipedia
wikipedia.org

Quadratic equations are basic to algebra and are the math behind parabolas, projectiles, ... Because aspect ratio is defined as the long side divided by the ...

What Are Quadratic Equations? | Live Science
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A quadratic equation in mathematics is defined as a polynomial of second degree whose standard form is ax 2 + bx + c = 0, where a, b and c are numerical ...

Quadratic Formula – Explanation & Examples
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