document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1058403>Question 1058403</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Danny was born exactly 4 years before Beth. The product of their age is 96. How old is Beth? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #673452 by </B><A HREF=/tutors/aboutme.mpl?userid=solve_for_x><B>solve_for_x(190)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solve_for_x><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=673452\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x represent Beth's age.\r<BR>\n" );
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document.write( "Since Danny was born 4 years before Beth, his age is represented by x + 4.\r<BR>\n" );
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document.write( "And since the product of their ages is 96 you can write:\r<BR>\n" );
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document.write( "x(x + 4) = 96\r<BR>\n" );
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document.write( "x^2 + 4x = 96\r<BR>\n" );
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document.write( "x^2 + 4x - 96 = 0\r<BR>\n" );
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document.write( "(x + 12)(x - 8) = 0\r<BR>\n" );
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document.write( "x = -12, x = 8\r<BR>\n" );
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document.write( "Since Beth's age must be positive, the x = -12 solution is discarded.\r<BR>\n" );
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document.write( "Solution: Beth's age is 8. </SPAN>\n" );
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