document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1102252>Question 1102252</A>: <I><SPAN STYLE=\"word-break: break-all;\"> To solve the equation y^4 + y^2 – 2 = 0, the best choice for u to obtain an equation in quadratic form is _______.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #716915 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=716915\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=u=y%5E2 ALIGN=MIDDLE  ALT=\"u=y%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=u%5E2%2Bu-2=0 ALIGN=MIDDLE  ALT=\"u%5E2%2Bu-2=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28u-1%29%28u%2B2%29=0 ALIGN=MIDDLE  ALT=\"%28u-1%29%28u%2B2%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28y%5E2=1%2Cor%2Cy%5E2=-2%29 ALIGN=MIDDLE  ALT=\"system%28y%5E2=1%2Cor%2Cy%5E2=-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and solve each of these. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );