Q18 of 168 Page 7

Solve the following equations by the method of completion of a square.
5x² – 24x – 5 = 0

Dividing by 5

Add the coefficient of to both sides

x = 2.6 + 2.4 x = –2.6 + 2.4

x = 5 x = – 0.2

Find the roots of each of the following quadratic equations if they exist by the method of completing the squares:

2x² + √15 x + √2 = 0

Find the roots of each of the following quadratic equations if they exist by the method of completing the squares:

x² + x + 3 = 0

Solve the following equations by the method of completion of a square.

7x² – 13x – 2 = 0

Solve the following equations by the method of completion of a square.

15x² + 53x + 42 = 0

Solve the following equations by the method of completion of a square.5x2 – 24x – 5 = 0