Question 111062
{{{ln(x-2)+ ln(x+1)= 2lnx}}}
{{{ln((x-2)(x+1))=ln(x^2)}}}


Delogarizing,

{{{(x-2)(x+1)=x^2}}}
{{{x(x+1)-2(x+1)=x^2}}}
{{{(x^2+x)-(2x+2)=x^2}}}
{{{x^2+(x-2x)-2=x^2}}}
{{{x^2-x-2=x^2}}}
{{{x^2-x^2-x-2=x^2-x^2}}}
{{{0-x-2=0}}}
{{{-x-2=0}}}
{{{-x-2+2=0+2}}}
{{{-x+0=2}}}
{{{-x=2}}}
{{{x=-2}}}


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