Question 622917
write as a single logarithm: 
3logX + 1/2logY
=log[x^3*y^(1/2)]
.. 
2(logX- logY)
=log[x^2/y]
.. 
log(X+4) + log(X-3)
=log[(x+4)(x-3)]
.. 
ln(2X-1) - ln(X+3)
=ln[(2x-1)/(x+3)]