document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=57480>Question 57480</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1) Solve x2-2x-3>0.<BR>\n" );
document.write( "a. (-3, 1)<BR>\n" );
document.write( "b. (-1, 3)<BR>\n" );
document.write( "c. (- &#8734; , -3) U (1, &#8734; )<BR>\n" );
document.write( "d. (- &#8734; , -1) U (3, &#8734; )  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #39242 by </B><A HREF=/tutors/aboutme.mpl?userid=funmath><B>funmath(2933)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=funmath><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=39242\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1) Solve <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-2x-3%3E0 ALIGN=MIDDLE  ALT=\"x%5E2-2x-3%3E0\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "a. (-3, 1)<BR>\n" );
document.write( "b. (-1, 3)<BR>\n" );
document.write( "c. (- infinity , -3) U (1, infinity )<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28d%29 ALIGN=MIDDLE  ALT=\"highlight%28d%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. (- infinity , -1) U (3, infinity )<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Here's why:<BR>\n" );
document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-2x-3%3E0 ALIGN=MIDDLE  ALT=\"x%5E2-2x-3%3E0\"   DISABLED_style= \"max-width:90%; height:auto;\" >  Find the critical values that make this =0.  Factor and solve.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B1%29%28x-3%29=0 ALIGN=MIDDLE  ALT=\"%28x%2B1%29%28x-3%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x+1=0    and x-3=0 <BR>\n" );
document.write( "x+1-1=0-1 and x-3+3=0+3<BR>\n" );
document.write( "x=-1  and x=3<BR>\n" );
document.write( "Test the interval (-infinty,-1)<BR>\n" );
document.write( "Test -10 (-10+1)(-10-3) a (-)(-) is a positive.  This interval is>0<BR>\n" );
document.write( "Test the interval (-1,3)<BR>\n" );
document.write( "Test 0 (0+1)(0-3) a (+)(-) is a negative.  This interval is not >0<BR>\n" );
document.write( "Test the interval (3,infinfty)<BR>\n" );
document.write( "Test 10 (10+1)(10-3) a (+)(+) is a positive. This interval is>0<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Therefore the solution is (-infinity,-1)U(3,infinity)<BR>\n" );
document.write( "Happy Cacluating!!!<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );