document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=50458>Question 50458</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0618052917/algebrahomeworkh>Pre-Calculus with Limits</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I tried the following problem and came up with a different answer than the textbook.\r<BR>\n" );
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document.write( "x^2+4x+4>9<BR>\n" );
document.write( "x^2+4x-5>0<BR>\n" );
document.write( "(x+5)(x-1)>0<BR>\n" );
document.write( "x+5>0, x-1>0<BR>\n" );
document.write( "x>-5, x>1\r<BR>\n" );
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document.write( "The book has the answer to be x<-5 and x>1. I checked my work a few times and I still can't find what I did wrong. Please help me find my error. Thank you in advance. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #33511 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=33511\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2+4x+4>9<BR>\n" );
document.write( "x^2+4x-5>0<BR>\n" );
document.write( "(x+5)(x-1)>0\r<BR>\n" );
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document.write( "At this point you need to mark -5 and +1 on a number line.<BR>\n" );
document.write( "Those two points create three segments on the line.<BR>\n" );
document.write( "You need to check a value in each segment to see where your<BR>\n" );
document.write( "solutions lie.<BR>\n" );
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document.write( "For example choose values -10,0,and 10<BR>\n" );
document.write( "If x=-10 the inequality becomes (-5)(-11) which is greater  zero<BR>\n" );
document.write( "This means there are solutions in the interval (-infinity,-5)<BR>\n" );
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document.write( "If x=0 the inequality becomes (5)(-1) which is less than zero<BR>\n" );
document.write( "So, no solutions in the interval (-5,1)\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "If x=10 the inequality becomes (15)(9) which is greater than zero.<BR>\n" );
document.write( "This means the interval (1,+infinity) is part of the solution set of the inequality.<BR>\n" );
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document.write( "Conclusion:<BR>\n" );
document.write( "x<-5 or x>1 is the solution set.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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