Respuesta :

mhanifa

Answer:

  • p = 5 or p = 3

Step-by-step explanation:

Given equation:

  • p² - 8p +21 = 6

Completing the square and solving for p:

  • p² - 2*4*p + 4² + 5 = 6
  • (p - 4)² = 1
  • p - 4 = ± 1
  • p = 5 or p = 3