Respuesta :

wegnerkolmp2741o

Answer:

x-9 = ±9

Step-by-step explanation:

(x – 9)^2 = 81

Take the square root of each side

sqrt((x – 9)^2 = ±sqrt(81)

x-9 = ±9

Add 9 to each side

x-9+9 = 9 ±9

x = 9+9   and 9-9

x = 18,0

Amanderfoz

Answer:

x – 9 = ±9

A on edge

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