Respuesta :

sqdancefan

Answer:

  4x -20

Step-by-step explanation:

The side length of the square is the square root of the area, so is ...

  s^2 = (x^2 -10x +25) = (x -5)^2

  s = (x -5)

Then the perimeter of the square is 4 times the side length:

  P = 4(x -5)

  P= 4x -20

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