simon49
simon49 simon49
  • 24-02-2022
  • Mathematics
contestada

(x – 15)2 = 121
Solve by taking the the square root

Respuesta :

Gyeong
Gyeong Gyeong
  • 24-02-2022

SOLUTION:

=) x² - 15² = 121

=) x² - 225 = 121

=) x² = 121 + 225

=) x = root 346

=) x = 18.6

Answer Link
fieryanswererft
fieryanswererft fieryanswererft
  • 24-02-2022

Answer:

[tex]x = 26[/tex] , [tex]x = 4[/tex]

solving steps:

[tex](x - 15)^2 = 121[/tex]

[tex]\sqrt{(x - 15)^2} = \pm \sqrt{121}[/tex]

[tex]x- 15= \pm 11[/tex]

[tex]x = 11 + 15[/tex] , [tex]x = -11 +15[/tex]

[tex]x = 26[/tex] , [tex]x = 4[/tex]

Answer Link

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