The quadratic equation is .
Solve the above quadratic equation by completing the square.
\Consider .
Divide each side by 2.
\Add 4 to each side.
\\
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.
\Subtract from each side.
The solutions are .