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 + 11/6)² = 1/36

⇒ x + 11/6 = �1/6

⇒ x = -2, -5/3

1

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

2

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

4

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

5

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