Find the roots of the following quadratic (if they exist) by the method of completing the square.

We have to make the quadratic equation a perfect square if possible or sum of perfect square with a constant.

(a + b)² = a² + 2ab + b²

⇒ x – 3/2√2 = �5/2√2

⇒ x = 2√2, -1/√2

5

Find the roots of the following quadratic (if they exist) by the method of completing the square.

6

Find the roots of the following quadratic (if they exist) by the method of completing the square.

8

Find the roots of the following quadratic (if they exist) by the method of completing the square.

9

Find the roots of the following quadratic (if they exist) by the method of completing the square.