Question

Write x^2 -6x +3 in the form (x-a)^2 +b

Answer 1

(x - 3)² - 6

Explanation:

using the method of completing the square

add/subtract ( half the coefficient of the x- term)² to x² - 6x

x² + 2(- 3)x + 9 - 9 + 3

= (x - 3)² - 9 + 3

= (x - 3)² - 6 ← in the form (x - a)² + b