document.write( "Question 818289: log5(3x+7) + log5(x-5)= 2 \n" ); document.write( "
Algebra.Com's Answer #492585 by MathTherapy(10553)\"\" \"About 
You can put this solution on YOUR website!
log5(3x+7) + log5(x-5)= 2\r
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\n" ); document.write( "\"log+%285%2C+%283x+%2B+7%29%29+%2B+log+%285%2C+%28x+-+5%29%29=+2\"
\n" ); document.write( "\"log+%285%2C+%283x+%2B+7%29%28x+-+5%29%29+=+2\"
\n" ); document.write( "\"%283x+%2B+7%29%28x+-+5%29+=+5%5E2\"
\n" ); document.write( "\"3x%5E2+-+8x+-+35+=+25\"
\n" ); document.write( "\"3x%5E2+-+8x+-+60+=+0\"
\n" ); document.write( "(3x + 10){x - 6) = 0
\n" ); document.write( "3x = - 10 OR x = 0 + 6
\n" ); document.write( "\"x+=+-+10%2F3\" OR \"x+=+6\"
\n" ); document.write( "Since \"-+10%2F3\" will yield the log of a negative number, so ignore this solution. Thus, the only solution is: \"highlight_green%28x+=+6%29\"
\n" ); document.write( "You can do the check!!\r
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