Question

What number should be added to both sides of the equation to complete the square?
x2 - 6x = 5

Answer 1

9

Explanation:

Answer 2

9

Explanation:

Given

x² - 6x = 5

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 3)x + 9 = 5 + 9, that is

(x - 3)² = 14