The sum of the roots of the equation $x^{2} - 8 x + 2 = 0$ is
___.

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Solution

For general quadratic equation $a x^{2} - b x + c = 0$ .
Sum of the roots = $\frac{- b}{a}$
For $x^{2} - 8 x + 2 = 0$
Sum of the roots = $\frac{- (- 8)}{1} = 8$

Sum of the roots of the equation is 8.

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