Hi, Previously Posted



The Idea is to Let n =    

  2n^2 - 5n - 3 = 0

(2n+1)(n-3)= 0

  (2n+1)= 0, n = -1/2,  

0r (n-3)= 0, n = 3 ,    x = 1/27 

n =  , n^3 = 1/x (Cubing both sides)    0r x = 1/n^3 

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