document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=917149>Question 917149</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you find all solutions for this quadratic type equation: \r<BR>\n" );
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document.write( "x^4-5x^2-36=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #556541 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=556541\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do you find all solutions for this quadratic type equation: <BR>\n" );
document.write( "x^4-5x^2-36=0<BR>\n" );
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document.write( "Two numbers whose product is -36 and whose sum is -5<BR>\n" );
document.write( "are -9 and +4<BR>\n" );
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document.write( "Factor your problem to get:<BR>\n" );
document.write( "(x^2 - 9)(x^2 + 4)  = 0<BR>\n" );
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document.write( "(x^2-9) = 0 or x^2+4 = 0<BR>\n" );
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document.write( "x = +/- 3 or x = +/-2i<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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