log3(4-4x)>=log3((x^2-4x+3)*(x+2))
4-4x>=(x^2-4x+3)(x+2)
4-4x>=x^3+4x^2+3x+2x^2-8x+6
-x^3+2x^2+x-2<=0
x^2(x-2)-1(x-2)=0
(x-2)(x^2-1)=0
x-2 = 0 или x^2-1=0
x=2 или x=+-1
x<=2 или x<=+-1
ОДЗ
x<=2
-1<=x<=+1
log3(4-4x)>=log3((x^2-4x+3)*(x+2))
4-4x>=(x^2-4x+3)(x+2)
4-4x>=x^3+4x^2+3x+2x^2-8x+6
-x^3+2x^2+x-2<=0
x^2(x-2)-1(x-2)=0
(x-2)(x^2-1)=0
x-2 = 0 или x^2-1=0
x=2 или x=+-1
x<=2 или x<=+-1
ОДЗ
x<=2
-1<=x<=+1