document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=308585>Question 308585</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve.<BR>\n" );
document.write( "9x^4-18x^2+5=0\r<BR>\n" );
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document.write( "Simplify your answer. Type an exact answer,using radicals as needed. Rationalize all denominators.\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 #220649 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=220649\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve.<BR>\n" );
document.write( "9x^4-18x^2+5=0 <BR>\n" );
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document.write( "Factor:<BR>\n" );
document.write( "9x^4 - 15x^2 - 3x^2 + 5 = 0<BR>\n" );
document.write( "---<BR>\n" );
document.write( "3x^2(3x^2-5)-(3x^2-5) = 0<BR>\n" );
document.write( "(3x^2-5)(3x^2-1) = 0<BR>\n" );
document.write( "----<BR>\n" );
document.write( "x = +-sqrt(5/3) or x = +- sqrt(1/3)<BR>\n" );
document.write( "------<BR>\n" );
document.write( "x = +-(1/3)sqrt(15) or x = +-(1/3)sqrt(3)<BR>\n" );
document.write( "===============================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );