leanielsen1020 leanielsen1020
  • 18-02-2021
  • Mathematics
contestada

(x-4)^2=25 by taking the square root

Respuesta :

rorycampbell0721
rorycampbell0721 rorycampbell0721
  • 18-02-2021

Answer:

x = -1, 9

Step-by-step explanation:

[tex](x-4)^2=25\\x-4=\sqrt{25}\\[/tex]

x - 4 = ±5 (positive or negative 5, because (-5)^2 = 25)

x - 4 = 5

x = 9

or

x - 4  = -5

x = -1

x = -1, 9

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