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The quadratic equation is $\"\"$ . The equation compare to quadratic equation, then x = r, a = 1, b = 10 and c = 12.

Quadratic formula: $\"\"$ .

$\"\"$ (Substitute x = r, a = 1, b = 10 and c = 12)

$\"\"$ (Evaluate power: $\"\"$ )

$\"\"$ (Simplify)

$\"\"$ (Subtract: 100 - 48 = 25) $\"\"$

Using the calculator and evaluate square roots.

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Separate the solutions $\"\"$ .

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(Simplify) \

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The solution set is $\"\"$ .