Question 980607
{{{ln ((x^2-4)) -ln ((x-2)) = 2}}}

{{{ln ((x^2-4)/(x-2)) = 2}}}.............since {{{2=ln(e^2)}}}, we have

{{{ln (((x-2)(x+2))/(x-2)) = ln(e^2)}}}

{{{ln ((cross((x-2))(x+2))/cross((x-2))) = ln(e^2)}}}

{{{ln ((x+2)) = ln(e^2)}}}...if log same, we have

{{{x+2 = e^2}}}

{{{x = e^2-2}}}