(x^2-6x+8)(x^2-4)/x^3-8>=0
(x-2)(x-4)(x-2)(x+2)/(x-2)(x²+2x+4)≥0 (x-2)(x-4)(x+2)/(x²+2x+4)≥0,x≠2 x²+2x+4>0 при любом х,т.к.D<0⇒<br>(x-2)(x-4)(x+2)≥0 x=2 x=4 x=-2 _ + _ + ----------[-2]--------(2)-------------[4]-------------- x∈[-2;2) U [4;∞)