document.write( "Question 438096: I am trying to do logarithmic equations and is having a difficult time finding a solution. Please help.
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document.write( "The problems are:
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document.write( "Problem #1: log(base3)x = 2 log(base3)3 + log (base3)5
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document.write( "Problem #2: log(base5)(x^2-9) = 4 \n" );
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Algebra.Com's Answer #303023 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Problem #1: log(base3)x = 2 log(base3)3 + log (base3)5 \n" ); document.write( "Problem #2: log(base5)(x^2-9) = 4 \n" ); document.write( ".. \n" ); document.write( "Problem #1 \n" ); document.write( "log(base3)x = 2 log(base3)3 + log (base3)5 \n" ); document.write( "log of its base=1 \n" ); document.write( "log3(3)=1 \n" ); document.write( "log3(x)=2(1)+log3(5) \n" ); document.write( "log3(x)-log3(5)=2 \n" ); document.write( "log3(x/5)=2 \n" ); document.write( "convert to exponential form (base raised to log of number=number) \n" ); document.write( "3^2=x/5 \n" ); document.write( "9=x/5 \n" ); document.write( "x=45 \n" ); document.write( ".. \n" ); document.write( "Problem#2 \n" ); document.write( "log5(x^2-9) = 4 \n" ); document.write( "convert to exponential form \n" ); document.write( "5^4=x^2-9 \n" ); document.write( "625=x^2-9 \n" ); document.write( "x^2=625-9=616 \n" ); document.write( "x=+-sqrt(616)=+-24.82 \n" ); document.write( " |