**quadratic formula calculator** can help you find the roots and solve any quadratic equation by using the formula for getting the two possible solutions. Below the form you can get more details.

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## How does this quadratic formula calculator works?

The algorithm behind this *quadratic formula calculator* is based on the standard formula for finding the roots (x_{1} and x_{2}) and presented below:

For instance for a quadratic equation written as: 7x^{2} + 5x + 0 = 0 the following data should be entered within the form:

a = 7, b = 6, c = 0 (please remember that even a coefficient may be zero you still have to input it in the form. In our case you should input the c = 0 as well otherwise you cannot solve the equation).

x_{1} = 0

x_{2} = 0.85714285714286.

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