document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=213807>Question 213807</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The area of a rectangle is 48 square centimeters. If the length of the rectangle is 8 centimeters longer than the width, how wide is the rectangle? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #161514 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=161514\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Area = Length * Width<BR>\n" );
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document.write( "but  l= w+8,,,,,subst<BR>\n" );
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document.write( "A= (w+8)(w) = w^2 +8w<BR>\n" );
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document.write( "but  A=48,,,so  48 = w^2 +8w,,,,,or<BR>\n" );
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document.write( "w^2 +8w -48 =0,,,,factor<BR>\n" );
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document.write( "(w+12)(w-4) = 0<BR>\n" );
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document.write( "w= 4,,,,-12(not practical)<BR>\n" );
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document.write( "and,, L= 8+w = 8+4 =12<BR>\n" );
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document.write( "check ,,,A=12 *4 = 48,,,,ok<BR>\n" );
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