document.write( "Question 214362: I am lost on this problem, can someone help me solve this problem?\r
\n" ); document.write( "\n" ); document.write( "3log x - log (x 2 + 2 x −15) = log x \n" ); document.write( "

Algebra.Com's Answer #161897 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"3%2Alog%28x%29+-+log%28x%5E2+%2B+2x+-+15%29+=+log%28x%29\"$
\n" ); document.write( "subtract $\"log%28x%29\"$ frm both sides
\n" ); document.write( " $\"2%2Alog%28x%29+-+log%28x%5E2+%2B+2x+-+15%29+=+0\"$
\n" ); document.write( " $\"2%2Alog%28x%29+=+log%28x%5E2+%2B+2x+-+15%29\"$
\n" ); document.write( " $\"log%28x%5E2%29+=+log%28x%5E2+%2B+2x+-+15%29\"$
\n" ); document.write( " $\"x%5E2+=+x%5E2+%2B+2x+-+15\"$
\n" ); document.write( " $\"2x+-+15+=+0\"$
\n" ); document.write( " $\"2x+=+15\"$
\n" ); document.write( " $\"x+=+15%2F2\"$
\n" ); document.write( "check:
\n" ); document.write( " $\"3%2Alog%28x%29+-+log%28x%5E2+%2B+2x+-+15%29+=+log%28x%29\"$
\n" ); document.write( " $\"log%28x%5E3%29+-+log%28x%5E2+%2B+2x+-+15%29+=+log%28x%29\"$
\n" ); document.write( " $\"log%28x%5E3%2F%28%28x%2B5%29%28x-3%29%29%29+=+log%28x%29\"$
\n" ); document.write( " $\"x%5E3+=+421.875\"$
\n" ); document.write( " $\"x+%2B+5+=+12.5\"$
\n" ); document.write( " $\"x+-+3+=+4.5\"$
\n" ); document.write( " $\"12.5%2A4.5+=+56.25\"$
\n" ); document.write( " $\"421.875%2F+56.25+=+15%2F2\"$
\n" ); document.write( "OK
\n" ); document.write( " \n" ); document.write( "

\n" );