document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=475899>Question 475899</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Equations Reducible to Quadratic Form:<BR>\n" );
document.write( "Use the given substitution to solve the equation:\r<BR>\n" );
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document.write( "x4 -  7x2 + 6 = 0                  u=x2\r<BR>\n" );
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document.write( "I don't know how to enter the CARET symbol, but eh x is to the 4th power and the other x is to the 2nd power </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #326348 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=326348\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x4 -  7x2 + 6 = 0 \r<BR>\n" );
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document.write( "x^2=u\r<BR>\n" );
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document.write( "u^2-7u+6=0<BR>\n" );
document.write( "u^2-6u-u+6=0<BR>\n" );
document.write( "u(u-6)-1(u-6)=0<BR>\n" );
document.write( "(u-6)(u-1)=0<BR>\n" );
document.write( "u=6 OR 1\r<BR>\n" );
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document.write( "x^2= 6 OR x^2=1\r<BR>\n" );
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document.write( "x= +/-sqrt(6) <BR>\n" );
document.write( "OR<BR>\n" );
document.write( "x= +/-(1)\r<BR>\n" );
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document.write( "m.ananth@hotmail.ca </SPAN>\n" );
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