document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=210395>Question 210395</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Introductory Algebra ISBN 0321279212 Chapter 6.7<BR>\n" );
document.write( "Solve this application. Quadratic Equations.<BR>\n" );
document.write( "One side of a rectangular patio is 3 meters longer than the other.  If the area of the patio is 108 square meters, what are the dimensions of the patio? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #158986 by </B><A HREF=/tutors/aboutme.mpl?userid=tutor_paul><B>tutor_paul(519)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tutor_paul><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=tutor_paul><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=158986\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Define the following variables:<BR>\n" );
document.write( "L=length of patio<BR>\n" );
document.write( "W=width of patio<BR>\n" );
document.write( "======================<BR>\n" );
document.write( "You are given this...<BR>\n" );
document.write( "Equation #1: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=W%2B3 ALIGN=MIDDLE  ALT=\"L=W%2B3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "And this:<BR>\n" );
document.write( "Equation #2: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=LW=108 ALIGN=MIDDLE  ALT=\"LW=108\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "You have 2 equations and two unknowns. Anytime you have as many equations as unknowns, you can solve the problem.<BR>\n" );
document.write( "Substitute the expression for L from Equation #1 into Equation #2:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W%28W%2B3%29=108 ALIGN=MIDDLE  ALT=\"W%28W%2B3%29=108\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Simplify:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W%5E2%2B3W-108=0 ALIGN=MIDDLE  ALT=\"W%5E2%2B3W-108=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Factors of this polynomial are:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28W%2B12%29%28W-9%29=0 ALIGN=MIDDLE  ALT=\"%28W%2B12%29%28W-9%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solve for W - throw away negative result:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28W=9%29 ALIGN=MIDDLE  ALT=\"highlight%28W=9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Substitute this value of W into Equation #2 to get L. I will leave that part up to you.<BR>\n" );
document.write( "===============<BR>\n" );
document.write( "Good Luck,<BR>\n" );
document.write( "tutor_paul@yahoo.com\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );