princessryan68 princessryan68

09-03-2021
Mathematics

contestada

p^2 - 8p +21 = 6
Solve by completing the square

Respuesta :

mhanifa mhanifa

09-03-2021

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

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