document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=398115>Question 398115</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello. Can you please help me?<BR>\n" );
document.write( "I need to solve this equation..\r<BR>\n" );
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document.write( "x^6-9x^4-x^2+9=0\r<BR>\n" );
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document.write( "Thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #282099 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=282099\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve this equation.. <BR>\n" );
document.write( "x^6-9x^4-x^2+9=0 <BR>\n" );
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document.write( "Notice that the coefficients sum to zero.<BR>\n" );
document.write( "So x = 1 is a root.<BR>\n" );
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document.write( "Notice that the polynomial is symmetric to <BR>\n" );
document.write( "the y-axis, so x = -1 is a root<BR>\n" );
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document.write( "x= 3 and x = -3 are roots.<BR>\n" );
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document.write( "There are 2 complex roots.  Use synthetic<BR>\n" );
document.write( "division to find the quadratic factor and<BR>\n" );
document.write( "the quadratic formula to find the roots.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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