415. ОДЗ: {-x>0; {x<0 x⊂(-4;0)<br> {10+x>0; {x>-10
{4+x>0; {x>-4
log(3) x^2 + log(3) (4+x) ≤ log(3) ((x+1)^2 *(10+x)^2)
log(3) (x^2 *(4+x)) ≤log(3) ((x+1)^2 *(10+x)^2)
x^2(4+x)≤(x+1)^2 *(10+x)^2
(x / (x+1)(x+10))^2 *(4+x)≤0
4+x≤0; x≤-4
учитывая ОДЗ -4