$\"\"$

The quadratic equation is $\"\"$ .

The equation compare to quadratic equation, then x = n, a = 2, b = -7 and c = - 3.

Quadratic formula: $\"\"$ .

$\"\"$ (Substitute x = n, a = 2, b = -7 and c = - 3)

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

$\"\"$ (Simplify)

$\"\"$ (Add: $\"\"$ ) $\"\"$

Using the calculator to evaluate square root.

$\"\"$

Separate the solutions $\"\"$ .

$\"\"$ (Simplify)

$\"\"$ (Simplify) $\"\"$

The solution set is $\"\"$ .