document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1167897>Question 1167897</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Grazielle is twice as old as Eric. After 8 years the product of their age is 384. How old is Eric? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #792511 by </B><A HREF=/tutors/aboutme.mpl?userid=VFBundy><B>VFBundy(438)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=VFBundy><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=VFBundy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=792511\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Eric's age = x<BR>\n" );
document.write( "Grazille's age = 2x<BR>\n" );
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document.write( "(x + 8)(2x + 8) = 384<BR>\n" );
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document.write( "2x² + 24x + 64 = 384<BR>\n" );
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document.write( "2x² + 24x - 320 = 0<BR>\n" );
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document.write( "x² + 12x - 160 = 0<BR>\n" );
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document.write( "(x - 8)(x + 20) = 0<BR>\n" );
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document.write( "x = 8 and x = -20<BR>\n" );
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document.write( "Obviously, Eric's age cannot be a negative number, so we are left with x = 8.<BR>\n" );
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document.write( " </SPAN>\n" );
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