1.log3X+log3(x+6)=3
log3x(x+6)=3log3(3)
x(x+6)=27
x^2+6x-27=0
x1=-9
x2=3
2. log1/2(3x-10)≥2
-log2(3x-10)≥2
log2(3x-10)≤-2
3x-10>0
3x>10
x>10/3
3x-10≤1/4
3x≤1/4+10
3x=41/4
x≤41/12
1.log3X+log3(x+6)=3
log3x(x+6)=3log3(3)
x(x+6)=27
x^2+6x-27=0
x1=-9
x2=3
2. log1/2(3x-10)≥2
-log2(3x-10)≥2
log2(3x-10)≤-2
3x-10>0
3x>10
x>10/3
3x-10≤1/4
3x≤1/4+10
3x=41/4
x≤41/12