$\"\"$

The quadratic equation is $\"\"$ .

Solve the above quadratic equation by completing the square.

Consider $\"\"$ .

Add 7 to each side.

$\"\"$

Divide each side by 3.

$\"\"$

To change the expression into a perfect square trinomial add $\"\"$ to each side of the equation.

Here x coefficient = $\"\"$ .

So, $\"\"$ .

Add $\"\"$ to each side.

$\"\"$

Take the square root of each side.

$\"\"$

Add $\"\"$ to each side.

$\"\"$

The solutions are $\"\"$ .