document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=851156>Question 851156</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One year ago,the father was 8 times as old as his son.Now his age is square of the son's age.Find their present ages. (By representing the situation in the form of a quadratic equation.)  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #512632 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=512632\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One year ago,the father was 8 times as old as his son.Now his age is square of the son's age.Find their present ages.<BR>\n" );
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document.write( "F = S^2<BR>\n" );
document.write( "(F-1) = 8*(S - 1) --> F = 8S - 7<BR>\n" );
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document.write( "S^2 = 8S - 7<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5E2+-+8S+%2B+7+=+0 ALIGN=MIDDLE  ALT=\"S%5E2+-+8S+%2B+7+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(S - 1)*(S - 7) = 0<BR>\n" );
document.write( "S = 1 --> zero one year ago.<BR>\n" );
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document.write( "S = 7<BR>\n" );
document.write( "F = 49<BR>\n" );
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