Respuesta :

VirαtKσhli

Answer:

( x - 3.5)² - 29/4

Step-by-step explanation:

Given :-

  • x² - 7x + 5

Writing in ( x - a)² - b form ,

  • x² - 7x + 5
  • x² - 7 * 2/2 * x + 5
  • x² - (7/2) * 2 * x + 5
  • x² - (7/2)*2*x +(7/2)²-(7/2)²+5
  • ( x - 7/2)² + 5 - 49/4
  • ( x - 7/2)² + ( 20-49)/4
  • ( x - 3.5)² - 29/4