(х+9)(х+1)(x-4) > 0
x Є (-9;-1) U (4;+ беск)
(х+8)/(х-5) <0<br>x Є (-8;5)
(x-2)*(6-x)/(3+x)>0
x Є (-беск;-3) U (2;6)
x^2(3x-2)(x-8)<0<br>x Є (2/3;8)
f=3/(x^2-64)
g=7/(64-x^2)
f > g
3/(x^2-64) > 7/(64-x^2)
3/(x^2-64) - 7/(64-x^2) >0
3/(x^2-64) + 7/(x^2-64) >0
10/(x^2-64) >0
(x^2-64) >0
x^2>64
x Є (-беск;-8) U (8;+беск)