Question 36082
ln(x^2)+ln(8x)=3

Law: lnA + lnB = ln(AB)
For your problem you get:
ln[(8x)(x^2)]=3
ln[8x^3]=3
e^3= 8x^3
e^3=(2x)^3
2x=e
x=e/2

Cheers,
Stan H.