Solve: log(x+1)+ log x= log 6
G Gene Senior Member Joined Oct 8, 2003 Messages 1,904 Mar 27, 2006 #2 log(x(x+1))=log(6) x²+x=6 x²+x-6=0 (x+3)(x-2)=0 Only x=2 works in the original equation.
