Respuesta :

Answer:

x=3

Step-by-step explanation:

x^2=9

x=3

wegnerkolmp2741o

Answer:

x = ±3

Step-by-step explanation:

x^2-11=-2

Add 11 to each side

x^2-11+11=-2+11

x^2 = 9

Take the square root of each side

sqrt(x^2) = ±sqrt(9)

x = ±3

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