document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1031988>Question 1031988</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help solve this quadratic equation using the quadratic formula.\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+0.4x%5E2+%2B+x+-+0.3+=+0+ ALIGN=MIDDLE  ALT=\"+0.4x%5E2+%2B+x+-+0.3+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\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 #646674 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=646674\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Please help solve this quadratic equation using the quadratic formula.<BR>\n" );
document.write( "0.4x^2 + x - 0.3 = 0<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Multiply thru by 10 to get:<BR>\n" );
document.write( "4x^2 + 10x - 3 = 0<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = [-10 +- sqrt(100-4*4*-3)]/8<BR>\n" );
document.write( "----<BR>\n" );
document.write( "x = [-10+ sqrt(4*37)]/8 = 0.2707<BR>\n" );
document.write( "x = [-10-2sqrt(37)]/8 = -2.7707<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" );