document.write( "Question 105757: Solve logx + log(x-48) = 2 \n" ); document.write( "
Algebra.Com's Answer #76916 by HyperBrain(694)\"\" \"About 
You can put this solution on YOUR website!
\"log%28x%29+%2B+log%28x-48%29+=+2\"\r
\n" ); document.write( "\n" ); document.write( "Read my lesson,\"An overview to the laws of logarithms\"\r
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\n" ); document.write( "\n" ); document.write( "\"log%28x%28x-48%29%29=2\"\r
\n" ); document.write( "\n" ); document.write( "The antilogarithm of any number a, is the number who has a logarithm of a.\r
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\n" ); document.write( "\n" ); document.write( "\"antilog%28log%28x%28x-48%29%29%29=antilog%282%29\"\r
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\n" ); document.write( "\n" ); document.write( "Take note that \"log%2810%5E2%29=2\". Thus, \"antilog%282%29=10%5E2=100\"\r
\n" ); document.write( "\n" ); document.write( "\"x%28x-48%29=100\"
\n" ); document.write( "\"x%5E2-48x=100\"
\n" ); document.write( "\"x%5E2-48x-100=0\"\r
\n" ); document.write( "\n" ); document.write( "By the quadratic formula,\r
\n" ); document.write( "\n" ); document.write( "\"x=%2848%2B-sqrt%2848%5E2-4%2A1%2A%28-100%29%29%29%2F%282%2A1%29\"
\n" ); document.write( "\"x=%2848%2B-sqrt%282304%2B400%29%29%2F%282%29\"
\n" ); document.write( "\"x=%2848%2B-sqrt%282704%29%29%2F%282%29\"
\n" ); document.write( "\"x=%2848%2B-+52%29%2F%282%29\"
\n" ); document.write( "\"x=-2\" or \"x=50\"\r
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\n" ); document.write( "\n" ); document.write( "Power up,
\n" ); document.write( "HyperBrain!
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