document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=30350>Question 30350</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Question:\r<BR>\n" );
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document.write( "x^4-6x^2+5=0\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #17013 by </B><A HREF=/tutors/aboutme.mpl?userid=mukhopadhyay><B>mukhopadhyay(490)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mukhopadhyay><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=17013\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x^2 = y\r<BR>\n" );
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document.write( "So, y^2 - 6y + 5 = 0<BR>\n" );
document.write( "=> (y-5)(y-1) = 0<BR>\n" );
document.write( "=> y = 5 or y = 1\r<BR>\n" );
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document.write( "Substituting y = x^2,<BR>\n" );
document.write( "x^2 = 1 or x^2 = 5<BR>\n" );
document.write( "=> x = +1 or x = -1 or x = sqrt(5) or x = - sqrt(5) </SPAN>\n" );
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