document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=423723>Question 423723</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Help me to solve:\r<BR>\n" );
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document.write( "10x^4 - 19x^2 + 6 = 0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #295450 by </B><A HREF=/tutors/aboutme.mpl?userid=dnanos><B>dnanos(83)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dnanos><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=dnanos><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=295450\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x^2=y We have to find y and then x...<BR>\n" );
document.write( "The general formula for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ay%5E2%2Bby%2Bc=0 ALIGN=MIDDLE  ALT=\"ay%5E2%2Bby%2Bc=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29 ALIGN=MIDDLE  ALT=\"y=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Where a=10,b=-19, and c=6<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%28-%28-19%29%2B-sqrt%28%28-19%29%5E2-4%2A10%2A6%29%29%2F%282%2A10%29 ALIGN=MIDDLE  ALT=\"y=%28-%28-19%29%2B-sqrt%28%28-19%29%5E2-4%2A10%2A6%29%29%2F%282%2A10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%2819%2B-sqrt%28361-240%29%29%2F20 ALIGN=MIDDLE  ALT=\"y=%2819%2B-sqrt%28361-240%29%29%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2819%2B-sqrt%28121%29%29%2F20 ALIGN=MIDDLE  ALT=\"%2819%2B-sqrt%28121%29%29%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2819%2B-sqrt%2811%5E2%29%29%2F20 ALIGN=MIDDLE  ALT=\"%2819%2B-sqrt%2811%5E2%29%29%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" >=\r<BR>\n" );
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document.write( "We obtain two values for y:<BR>\n" );
document.write( "y=3/2 or y=8/20=2/5=0.4<BR>\n" );
document.write( "Each one of them gives two values for x:<BR>\n" );
document.write( "x=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0%2B-sqrt%28y%29 ALIGN=MIDDLE  ALT=\"0%2B-sqrt%28y%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%283%2F2%29%29%29 ALIGN=MIDDLE  ALT=\"sqrt%283%2F2%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "or<BR>\n" );
document.write( "x=-<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%283%2F2%29%29%29 ALIGN=MIDDLE  ALT=\"sqrt%283%2F2%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "or<BR>\n" );
document.write( "x=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%280.4%29 ALIGN=MIDDLE  ALT=\"sqrt%280.4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "or<BR>\n" );
document.write( "x=-<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%280.4%29 ALIGN=MIDDLE  ALT=\"sqrt%280.4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So we have four solutions:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%283%2F2%29%29%29 ALIGN=MIDDLE  ALT=\"sqrt%283%2F2%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >;-<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%283%2F2%29%29%29 ALIGN=MIDDLE  ALT=\"sqrt%283%2F2%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%280.4%29 ALIGN=MIDDLE  ALT=\"sqrt%280.4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >;-<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%280.4%29 ALIGN=MIDDLE  ALT=\"sqrt%280.4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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