/ 3\ | 2 /log(x - 5)\ | (x + 1)*|log (3)*(x - 5) - |----------| | + 2 > 0 \ \ log(3) / /
(x + 1)*(-(log(x - 5)/log(3))^3 + (x - 5)*log(3)^2) + 2 > 0