Solve the following equation:
$x^{2} - 3 x = 10$

5, -2

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4, 2

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3, 6

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None

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Solution

The correct option is D 5, -2
$x^{2} - 3 x = 10$

$x^{2} - 3 x - 10 = 0$

$x^{2} - 5 x + 2 x - 10 = 0$

$x (x - 5) + 2 (x = 5) = 0$

$(x - 5) (x + 2) = 0$

$x = 5, - 2$

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$x^{2} - 3 x - 10 = 0$

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