f(x)=1/x^2-8x-9

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Solution for f(x)=1/x^2-8x-9 equation: 


(4/5)*x-(((3^3)/4)*x) = (2^1)/2

(3/4)*x = 201/4

2*x-0.5*x^2 = 0

(3/4)*x = 20.25

(8*x-1)/4 = 56/8

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