document.write( "Question 920446: how do you solve log(n+2)+log 8=log(n^2+7n+10 \n" ); document.write( "
Algebra.Com's Answer #558377 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! log(n+2)+log 8=log(n^2+7n+10 \n" ); document.write( "---------------- \n" ); document.write( "log[(n+2)(8)] = log(n^2+7n+10) \n" ); document.write( "----- \n" ); document.write( "8n+16 = n^2+7n+10 \n" ); document.write( "----- \n" ); document.write( "n^2 - n - 6 = 0 \n" ); document.write( "----- \n" ); document.write( "Factor:: \n" ); document.write( "(n-3)(n+2) = 0 \n" ); document.write( "---- \n" ); document.write( "n = 3 \n" ); document.write( "or \n" ); document.write( "n = -2 (extraneous) \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "======================= \n" ); document.write( " |