$\"\"$

The equation is $\"\"$ .

Divide the equation by $\"\"$ on both sides.

$\"\"$

The obtained equation is solved by using the quadratic equation $\"\"$ .

The equation $\"\"$ is in the form of $\"\"$ .

Where $\"\"$ .

Now subustiute the values in the equation $\"\"$ .

$\"\"$

The solution set is $\"\"$ .

$\"\"$

The correct answer is $\"\"$ . \ \