document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=360298>Question 360298</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the inequality x(x + 3) > 4. Give your solution in interval notation, using INF for infinity. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #257116 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=257116\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x(x + 3) > 4<BR>\n" );
document.write( "x^2+3x-4=0 First find the zeros.<BR>\n" );
document.write( "(x+4)(x-1)=0<BR>\n" );
document.write( "x=-4, x=1<BR>\n" );
document.write( "Test on either side of these numbers.<BR>\n" );
document.write( "x=-5: -5(-5+3)=10>4<BR>\n" );
document.write( "x=0: 0<4<BR>\n" );
document.write( "X=2: 2(2+3)=10>4<BR>\n" );
document.write( ".<BR>\n" );
document.write( "(-INF, -4)U(1, INF)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );