document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=183776>Question 183776</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x/(x-1) + 3/ (x+1) = 7  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #137906 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=137906\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x/(x-1) + 3/ (x+1) = 7 \r<BR>\n" );
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document.write( "Multiply thru by (x-1)(x+1) to get:\r<BR>\n" );
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document.write( "x(x+1) + 3(x-1) = 7(x^2-1)\r<BR>\n" );
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document.write( "x^2 + x + 3x - 3 = 7x^2 - 7\r<BR>\n" );
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document.write( "6x^2 - 4x  - 4 = 0\r<BR>\n" );
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document.write( "3x^2 - 2x -2 = 0\r<BR>\n" );
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document.write( "x = [2 +- sqrt(4 - 4*3*-2)]/6\r<BR>\n" );
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document.write( "x = [2 +- sqrt(28)]/6\r<BR>\n" );
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document.write( "x = [2 +- 2sqrt(7)]/6\r<BR>\n" );
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document.write( "x = (1/3) + (1/3)sqrt(7) or x = (1/3) - (1/3)sqrt(7)\r<BR>\n" );
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document.write( "============================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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