Respuesta :

The answer is
[tex](x - 4) ^{2} \: = 25 \\ {x}^{2} - 8x + {4}^{2} - 25 = 0 \\ {x}^{2} - 8x - 9 = 0 \\ x = 9 \: or \: x = - 1[/tex]

Hope it helps!
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