document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1035738>Question 1035738</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help. I keep getting: x=4 or x=31. Where am I going wrong?\r<BR>\n" );
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document.write( "A picture frame measures 40cm by 30cm and 704cm^2 of picture shows. Find the width of the frame.\r<BR>\n" );
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document.write( "(30-2x)(40-2x)=704<BR>\n" );
document.write( "4x^2-140x+496=0<BR>\n" );
document.write( "4(4x^2-140x+496)=0<BR>\n" );
document.write( "(x^2-4x)-(31x+124)=0<BR>\n" );
document.write( "(x-4)(x-31)<BR>\n" );
document.write( "x=4 or x=31 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #650384 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=650384\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you're not doing anything wrong.<BR>\n" );
document.write( "the answer is x = 4.<BR>\n" );
document.write( "your \"possible\" answers are x = 4 or x = 31.<BR>\n" );
document.write( "x = 31 is not possible because then the length and width of the picture would be negative.<BR>\n" );
document.write( "that means that x = 4 is your answer.<BR>\n" );
document.write( "i answered this previously.<BR>\n" );
document.write( "hopefully you received that answer.<BR>\n" );
document.write( "if not, let me know and i'll send it again.<BR>\n" );
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