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Jul 29th, 2016
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  1. (x + 1over x)^2 = (5)^2
  2. x^2 + 1/over x^2 + 2 * x * 1over x = 25
  3. x^2 + 1/over x^2 + 2 = 25
  4. x^2 + 1/over x^2 = (25-2)
  5. x^2 + 1/over x^2 = 23
  6.  
  7. (x + 1over x)^2 = (5)^2
  8. (x^2 + 1over x)^2 = (5)^2
  9. x^4 + 1over x^2 = 25
  10. x^4/over x^2 + 1/over x^2 = 25
  11. x^2 + 1/over x^2 = 25
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