document.write( "Question 104232: 2log( x ) = log(2) + log(5x-8)\r
\n" ); document.write( "\n" ); document.write( "\"log%28+x+%29%5E2+=+log%282%29+%2B+log%285x-8%29\"
\n" ); document.write( "\"log%28+x+%29%5E2+=+log%282%29%285x-8%29\"
\n" ); document.write( "you can write
\n" ); document.write( "\"%28+x+%29%5E2+=+%282%29%285x-8%29\"
\n" ); document.write( "\"%28+x+%29%5E2+=+10x-16\"
\n" ); document.write( "\"%28+x+%29%5E2-10x%2B16=0\"\r
\n" ); document.write( "\n" ); document.write( "x1=\"%2810-sqrt%28100-64%29%29%2F%282%29\"
\n" ); document.write( " = \"%2810-6%29%2F2\"
\n" ); document.write( " =\"2\"
\n" ); document.write( "x2=\"%2810%2Bsqrt%28100-64%29%29%2F%282%29\"
\n" ); document.write( " = \"%2810%2B6%29%2F2\"
\n" ); document.write( " =\"8\"\r
\n" ); document.write( "\n" ); document.write( "SO THERE ARE TWO SOLUTION
\n" ); document.write( "8 AND 2
\n" ); document.write( "

Algebra.Com's Answer #75855 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
using rules for logarithms; x^2=2(5x-8)\r
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\n" ); document.write( "\n" ); document.write( "x^2=10x-16 ... x^2-10x+16=0 ... (x-8)(x-2)=0
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