document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=202220>Question 202220</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2x^2+4x>15 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #152626 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=152626\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Just  solve  as  equality  then  check  inequalities<BR>\n" );
document.write( ".<BR>\n" );
document.write( "2x^2 +4x >15<BR>\n" );
document.write( ".<BR>\n" );
document.write( "2x^2 +4x-15=0<BR>\n" );
document.write( ".<BR>\n" );
document.write( "using  quadratic  formula<BR>\n" );
document.write( ".<BR>\n" );
document.write( "x=1.91,,,,x=-3.915<BR>\n" );
document.write( ".<BR>\n" );
document.write( "on  a  number  line  this  makes  three  areas<BR>\n" );
document.write( ".<BR>\n" );
document.write( "x<-3.915,,,,test  point  (-4),,,checking  inequality,,2(-4)^2 +4(-4) >15,,,32-16>15,,16>15,,,ok<BR>\n" );
document.write( ".<BR>\n" );
document.write( "-3.915<x<2.5,,,,test  point (0),,,0>15,,,,not  true<BR>\n" );
document.write( ",<BR>\n" );
document.write( "x>1.91,,,,test  point (+3),,,2(3)^2+4(3)>15,,18+12>15,,30>15 ,,,ok<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Therefore,,x>1.91,,,x<-3.915 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );