document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=664042>Question 664042</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 8n^2-4n=18<BR>\n" );
document.write( "I am really confused :( </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #413099 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=413099\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First get the equation into standard form \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8n%5E2-4n=18 ALIGN=MIDDLE  ALT=\"8n%5E2-4n=18\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8n%5E2-4n-18=18-18 ALIGN=MIDDLE  ALT=\"8n%5E2-4n-18=18-18\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8n%5E2-4n-18=0 ALIGN=MIDDLE  ALT=\"8n%5E2-4n-18=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now use the quadratic formula to solve for n\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29 ALIGN=MIDDLE  ALT=\"n+=+%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+%28-%28-4%29%2B-sqrt%28%28-4%29%5E2-4%288%29%28-18%29%29%29%2F%282%288%29%29 ALIGN=MIDDLE  ALT=\"n+=+%28-%28-4%29%2B-sqrt%28%28-4%29%5E2-4%288%29%28-18%29%29%29%2F%282%288%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+%284%2B-sqrt%2816-%28-576%29%29%29%2F%2816%29 ALIGN=MIDDLE  ALT=\"n+=+%284%2B-sqrt%2816-%28-576%29%29%29%2F%2816%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+%284%2B-sqrt%2816%2B576%29%29%2F%2816%29 ALIGN=MIDDLE  ALT=\"n+=+%284%2B-sqrt%2816%2B576%29%29%2F%2816%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+%284%2B-sqrt%28592%29%29%2F16 ALIGN=MIDDLE  ALT=\"n+=+%284%2B-sqrt%28592%29%29%2F16\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+%284%2Bsqrt%28592%29%29%2F16 ALIGN=MIDDLE  ALT=\"n+=+%284%2Bsqrt%28592%29%29%2F16\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+%284-sqrt%28592%29%29%2F16 ALIGN=MIDDLE  ALT=\"n+=+%284-sqrt%28592%29%29%2F16\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+%284%2B4%2Asqrt%2837%29%29%2F16 ALIGN=MIDDLE  ALT=\"n+=+%284%2B4%2Asqrt%2837%29%29%2F16\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+%284-4%2Asqrt%2837%29%29%2F16 ALIGN=MIDDLE  ALT=\"n+=+%284-4%2Asqrt%2837%29%29%2F16\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+%281%2Bsqrt%2837%29%29%2F4 ALIGN=MIDDLE  ALT=\"n+=+%281%2Bsqrt%2837%29%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+%281-sqrt%2837%29%29%2F4 ALIGN=MIDDLE  ALT=\"n+=+%281-sqrt%2837%29%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+1.77069 ALIGN=MIDDLE  ALT=\"n+=+1.77069\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+-1.27069 ALIGN=MIDDLE  ALT=\"n+=+-1.27069\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So the exact solutions are <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+%281%2Bsqrt%2837%29%29%2F4 ALIGN=MIDDLE  ALT=\"n+=+%281%2Bsqrt%2837%29%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+%281-sqrt%2837%29%29%2F4 ALIGN=MIDDLE  ALT=\"n+=+%281-sqrt%2837%29%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "and the approximate solutions are <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+1.77069 ALIGN=MIDDLE  ALT=\"n+=+1.77069\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+-1.27069 ALIGN=MIDDLE  ALT=\"n+=+-1.27069\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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