document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=563568>Question 563568</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the inequality<BR>\n" );
document.write( "x^2+13x>-36\r<BR>\n" );
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document.write( "What I did:\r<BR>\n" );
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document.write( "x^2+13x>-36 (add 36 to both sides)<BR>\n" );
document.write( "x^2+13x+36>0 (Then I factored)<BR>\n" );
document.write( "(x+4)(x+9)      (this becomes)<BR>\n" );
document.write( "x=-4  x=-9      (now I am stuck)<BR>\n" );
document.write( "it is either (-9,-4) or (-Inf,-9)U(-4,Inf) I can't figure it out\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #365076 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=365076\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We have (x+4)(x+9) > 0. What you would do is test certain values of x to see which intervals satisfy. For example, suppose x = -5. Then (-5+4)(-5+9)>0, a false statement. Hence the answer is (infinity, -9) U (-4, infinity).\r<BR>\n" );
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document.write( "The other method to do is it note that (x+4)(x+9) is a parabola that opens upward, so the part between the roots -4, -9 would be below the x-axis. </SPAN>\n" );
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