# An example of a quadratic equation

Here, we will be discussing about An example of a quadratic equation.

## Quadratics (Quadratic Equations)

ax² + bx + c = 0. where x is an unknown variable and a, b, c are numerical coefficients. For example, x2 + 2x +1 is a quadratic or quadratic equation. Here, a ≠ 0 because if it equals zero
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## Quadratic Formula

A quadratic equation can be solved by the method of completing the square. Example: \ (2 {x^2} + 8x + 3 = 0\) \ ( \Rightarrow 2 {x^2} + 8x = – 3\) [Subtracted \ (3\) from both sides of the equation] \ ( \Rightarrow {x^2} + 4x =