The sum of roots of a quadratic equation $a x^{2} + b x + c = 0$ is ______

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Solution

Given:
$a x^{2} + b x + c = 0$
This equation can be written as:
$a (x^{2} - \frac{Sum of Roots}{a} + \frac{Product of Roots}{a}) = 0$

$∴$ Sum of roots $= - \frac{b}{a}$

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