document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=964106>Question 964106</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Lauren is 4 years older than David. The product of their ages is 45. How old is Lauren?<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 #588993 by </B><A HREF=/tutors/aboutme.mpl?userid=tenkun><B>tenkun(12)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tenkun><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=588993\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let David's age = x<BR>\n" );
document.write( " Lauren's age = x+4<BR>\n" );
document.write( "Given that  product of their ages is 45<BR>\n" );
document.write( "  x*(x+4) = 45\r<BR>\n" );
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document.write( "x^2 +4*x= 45<BR>\n" );
document.write( "x^2+ 4*x -45=0<BR>\n" );
document.write( "x^2+9*x- 5*x-45=0<BR>\n" );
document.write( "x*(x+9)- 5*(x+9)=0<BR>\n" );
document.write( "(x+9)*(x-5)=0<BR>\n" );
document.write( "x=-9 negative<BR>\n" );
document.write( " so x=5<BR>\n" );
document.write( "Hence David's age=5<BR>\n" );
document.write( "Lauren's age= 5+4=9 </SPAN>\n" );
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