document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=696765>Question 696765</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A=LW<BR>\n" );
document.write( "The area of this rectangle is 21 square units. Find its length(the Horizontal side(x-2)) and With(the Vertical side(x+2)).  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #429280 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley79><B>checkley79(3341)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley79><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=429280\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A=LW<BR>\n" );
document.write( "21=(X-2)(X+2)<BR>\n" );
document.write( "21=X^2-4<BR>\n" );
document.write( "X^2=21+4<BR>\n" );
document.write( "X^2=25<BR>\n" );
document.write( "X=SQRT25<BR>\n" );
document.write( "X=5 ANS. <BR>\n" );
document.write( "L=5-2=3 ANS. FOR THE LENGTH<BR>\n" );
document.write( "W=5+2=7 ANS. FOR THE WIDTH.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "21=3*7<BR>\n" );
document.write( "21=21<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );