document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=623326>Question 623326</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve.\r<BR>\n" );
document.write( "\n" );
document.write( "w^4-20w^2-2=0<BR>\n" );
document.write( "What is the solution?<BR>\n" );
document.write( "w=?<BR>\n" );
document.write( "(Type an exact answer, using radicals as needed. Use commas to separete answers aas needed) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #392037 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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/cgi-bin/show-face.mpl?user=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=392037\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I can say <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+z+=+w%5E2+ ALIGN=MIDDLE  ALT=\"+z+=+w%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" > and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+w%5E4+-+20w%5E2+-+2+=+z%5E2+-+20z+-+2+ ALIGN=MIDDLE  ALT=\"+w%5E4+-+20w%5E2+-+2+=+z%5E2+-+20z+-+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+z%5E2+-+20z+-+2+=+0+ ALIGN=MIDDLE  ALT=\"+z%5E2+-+20z+-+2+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Use quadratic formula<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+z+=+%28-b+%2B-+sqrt%28+b%5E2+-+4%2Aa%2Ac+%29%29+%2F+%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"+z+=+%28-b+%2B-+sqrt%28+b%5E2+-+4%2Aa%2Ac+%29%29+%2F+%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+=+1+ ALIGN=MIDDLE  ALT=\"+a+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+b+=+-20+ ALIGN=MIDDLE  ALT=\"+b+=+-20+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+c+=+-2+ ALIGN=MIDDLE  ALT=\"+c+=+-2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+z+=+%28-%28-20%29+%2B-+sqrt%28+%28-20%29%5E2+-+4%2A1%2A%28-2%29+%29%29+%2F+%282%2A1%29+ ALIGN=MIDDLE  ALT=\"+z+=+%28-%28-20%29+%2B-+sqrt%28+%28-20%29%5E2+-+4%2A1%2A%28-2%29+%29%29+%2F+%282%2A1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+z+=+%28+20+%2B-+sqrt%28+400+%2B+8%29%29+%2F+2+ ALIGN=MIDDLE  ALT=\"+z+=+%28+20+%2B-+sqrt%28+400+%2B+8%29%29+%2F+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+z+=+%28+20+%2B-+20.199%29+%2F+2+ ALIGN=MIDDLE  ALT=\"+z+=+%28+20+%2B-+20.199%29+%2F+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+z+=+40.199%2F2+ ALIGN=MIDDLE  ALT=\"+z+=+40.199%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+z+=+20.0995+ ALIGN=MIDDLE  ALT=\"+z+=+20.0995+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+z+=+-.199%2F2+ ALIGN=MIDDLE  ALT=\"+z+=+-.199%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+z+=+-.0995+ ALIGN=MIDDLE  ALT=\"+z+=+-.0995+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+z+=+w%5E2+ ALIGN=MIDDLE  ALT=\"+z+=+w%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+w+=+sqrt%28z%29+ ALIGN=MIDDLE  ALT=\"+w+=+sqrt%28z%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+w+=+sqrt%28+20.0995+%29++ ALIGN=MIDDLE  ALT=\"+w+=+sqrt%28+20.0995+%29++\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+w+=+4.4832+ ALIGN=MIDDLE  ALT=\"+w+=+4.4832+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+w+=+sqrt%28+-.0995+%29+ ALIGN=MIDDLE  ALT=\"+w+=+sqrt%28+-.0995+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+w+=+.3154i+ ALIGN=MIDDLE  ALT=\"+w+=+.3154i+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "check answer:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+w%5E4+-+20w%5E2+-+2+=+0+ ALIGN=MIDDLE  ALT=\"+w%5E4+-+20w%5E2+-+2+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.3154%5E4%2A+i%5E4+-+20%2A.3154%5E2+%2A+i%5E2+-+2+=+0+ ALIGN=MIDDLE  ALT=\"+.3154%5E4%2A+i%5E4+-+20%2A.3154%5E2+%2A+i%5E2+-+2+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.009896+%2A+1+-+1.9895+%2A+%28-1%29+-+2+=+0+ ALIGN=MIDDLE  ALT=\"+.009896+%2A+1+-+1.9895+%2A+%28-1%29+-+2+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.009896+%2B+1.9895+-+2+=+0+ ALIGN=MIDDLE  ALT=\"+.009896+%2B+1.9895+-+2+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1.9994+-+2+=+0+ ALIGN=MIDDLE  ALT=\"+1.9994+-+2+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.00056+=+0+ ALIGN=MIDDLE  ALT=\"+.00056+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "error due to rounding off?<BR>\n" );
document.write( "You can check other answer </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );