Question 689176
what is the solution to this problem ln(x-9)-ln(x+1)=ln(x-6)-ln(x+5) ?
ln(x-9)-ln(x+1)=ln(x-6)-ln(x+5)
ln[(x-9)/(x+1)]=ln[(x-6)/(x+5)]
(x-9)/(x+1)=(x-6)/(x+5)
(x+1)(x-6)=(x-9)(x+5)
x^2-5x-6=x^2-4x-45
x=39