-(-6x-1)*(-x-6)*x<0<br>(6x+1)*(-x-6)*x<0<br>-(6x+1)*(x+6)*x<0 |(-1)<br>(6x+1)*(x+6)*x>0
6x+1=0 x=-1/6 x+6=0 x=-6 x=0
-∞_____-_____-6_____+_____-1/6______-_____0_____+______+∞
Ответ: x∈(-6;-1/6)U(0;+∞).
(-4x-3)*(3-2x)*(x-7)≥0
-(4x+3)*(3-2x)*(x-7)≥0 |×(-1)
(4x+3)*(3-2x)*(x-7)≤0
4x+3=0 x=-3/4 3-2x=0 x=3/2 x-7=0 x=7
-∞_____+_____-3/4_____-_____3/2_____+_____7_____-_____+∞
Ответ: x∈[-3/4;3/2]U[7;+∞).