/ 2 \ log\x - 8*x + 12/ log(x + 4) log(50 - 25*x) ------------------ + ---------- < -------------- log(5) log(5) log(5)
log(x + 4)/log(5) + log(x^2 - 8*x + 12)/log(5) < log(50 - 25*x)/log(5)