ciscoramirez02 ciscoramirez02
  • 06-06-2019
  • Mathematics
contestada

8
The square of a number is 12 less than 7 times the number. What is the number?

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Szyhax
Szyhax Szyhax
  • 06-06-2019
7x^2 - 12 = 0
7x^2 = 12 | : 7
x^2 = 12/7 | sqrt
x = sqrt(12/7)
x = sqrt(84) / 7
x = 2sqrt(21) / 7
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Imheretograduate
Imheretograduate Imheretograduate
  • 27-05-2021

Answer: the answer would be 3 or 4

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