Question

Write in the form ( x + p ) ^2 + q x^ 2 − 10 x

Answer 1

(x - 5)² - 25

Explanation:

using the method of completing the square

x² - 10x

add/subtract ( half the coefficient of the x- term )² to x² - 10x

x² + 2(- 5)x + 25 - 25

= (x - 5)² - 25