Question

$Write x^{2} -12x+19 in the form (x+a)^{2} +b$

Answer 1

Answer:

(x - 6)² - 17

Step-by-step explanation:

Given

x² - 12x + 19

Using the method of completing the square

add/ subtract ( half the coefficient of the x- term )² to x² - 12x

= x² + 2(- 6)x + 36 - 36 + 19

= (x - 6)² - 17