document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=446007>Question 446007</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The length of a rectangle 3 feet more than three times its width. The diagonal of the rectangle is 4 feet more than 3 times its width. find the length and width. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #307123 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=307123\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (3x+4)2-(3x+3)2=x2<BR>\n" );
document.write( "9x2+24x+16-9x2-18x-9=x2<BR>\n" );
document.write( "0=x2-6x-7<BR>\n" );
document.write( "0=(x-7)(x+1)<BR>\n" );
document.write( "x=7 or -1<BR>\n" );
document.write( "Throwing out the negative answer, we get the width to be 7'.  The length is 24'.. </SPAN>\n" );
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