document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=971559>Question 971559</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Reduce the following equation into quadratic equation<BR>\n" );
document.write( "t+2/t-2 - t-2/t+2=3/7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #593989 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=593989\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> t+2/t-2 - t-2/t+2=3/7\r<BR>\n" );
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document.write( "Multiply everything by (t-1)(t+2)7 to clear the fractions\r<BR>\n" );
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document.write( "7(t+2)(t+2) -7 (t-2)(t-2) =3 (t-2) (t+2) ;;  (t+2)^2= t^2 + 4t + 4  ;;   (t-2)^2= t^2-4t +4\r<BR>\n" );
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document.write( "7t^2+28t+28 - 7t^2+28t -28 =3t^2 -12    ;;    (t-2)(t+2)=t^2-4\r<BR>\n" );
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document.write( "Left side has 56t; everything else cancels.<BR>\n" );
document.write( "Equation is 56t= 3t^2-12\r<BR>\n" );
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document.write( "3t^2-56t-12=0<BR>\n" );
document.write( "That is the quadratic equation\r<BR>\n" );
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