document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=693942>Question 693942</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how can I show my work for the problem x4+7x2=18 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #427649 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=427649\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how can I show my work for the problem x4+7x2=18<BR>\n" );
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document.write( "x^4 + 7x^2 - 18 = 0<BR>\n" );
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document.write( "(x^2+9)(x^2-2) = 0<BR>\n" );
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document.write( "x = +/-3i or x = +-isqrt(2)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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