Respuesta :

hkhenze

Answer:

x=12,2

Step-by-step explanation:

Add 25 on both sides

(x−7)​2​​=25

x-7 =   ± [tex]\sqrt{25}[/tex]

x-7 = ±5

x=±5 +7

x= 12, 2

sqdancefan

Answer:

  {2, 12}

Step-by-step explanation:

Add 25 to your equation, take the square root, then add 7.

  (x -7)^2 = 25

  x -7 = ±√25 = ±5

  x = 7 ± 5

  x = 2 or 12 . . . . . the smaller answer is 2, so we list it first.

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