document.write( "Question 167780:  Can you please help me solve this? This is what I have so far. 
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document.write( "log5(x+3)+log5(x-3)=3
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document.write( "log5{(x+3)(x-3)}=3
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document.write( "(x+3)(x-3)=3^5
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document.write( "x^2-9=243\r
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document.write( "How do I finish this?\r
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| Algebra.Com's Answer #123677 by Alan3354(69443)     You can put this solution on YOUR website! Can you please help me solve this? This is what I have so far. \n" ); document.write( "log5(x+3)+log5(x-3)=3 \n" ); document.write( "log5{(x+3)(x-3)}=3 \n" ); document.write( "(x+3)(x-3)=3^5 It's the base to the exponent. \n" ); document.write( "x^2-9=243 \n" ); document.write( "How do I finish this? \n" ); document.write( "------------------ \n" ); document.write( "log5(x+3)+log5(x-3)=3 I assume this is where you started. \n" ); document.write( "Raise 5 to the power of each term. The 2 terms added are multiplied, since the logs are added. \n" ); document.write( "(x-3)*(x+3) = 5^3 = 125 \n" ); document.write( "x^2-9 = 125 \n" ); document.write( "x^2 = 134 \n" ); document.write( "x = ± sqrt(134) = apx ± 11.576\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |