Definition: This formula details how an unknown variable may be found using the coefficients and the constant of an equation in the form ax² + bx + c = 0 where a and b are the coefficients, c is the constant, and x represents the unknown. This type of equation is called a quadratic equation and the solutions are called the roots.
Example: Find the roots of 2x² + 5x + 3 = 0.
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