Respuesta :

zeena277

Answer:

x=18

Step-by-step explanation:

let the number =x

then

x²-124=200

x²=200+124

x²=324

x=18

Answer:

x=18

Step-by-step explanation:

number = x

x^2 - 124 = 200

x^2 = 200 +124

x^2 = 324

(square root both sides)

x = 18

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