Respuesta :

Gyeong

SOLUTION:

=) x² - 15² = 121

=) x² - 225 = 121

=) x² = 121 + 225

=) x = root 346

=) x = 18.6

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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]