document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1185241>Question 1185241</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The area of a rectangular garden is 140m2.If its length is 4m more than its width,find the dimensions. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #816031 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=816031\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the area is equal to 140 square meters.\r<BR>\n" );
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document.write( "area is equal to length * width.\r<BR>\n" );
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document.write( "let L equal the length and W equal the width.\r<BR>\n" );
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document.write( "you ge t:\r<BR>\n" );
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document.write( "L * W = 140\r<BR>\n" );
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document.write( "if the length is 4 meters longer than the width, the formula becomes:\r<BR>\n" );
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document.write( "(W + 4) * W = 140\r<BR>\n" );
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document.write( "simplify to get:\r<BR>\n" );
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document.write( "W^2 + 4W = 140\r<BR>\n" );
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document.write( "subtract 140 from both sides of the equation to get:\r<BR>\n" );
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document.write( "W^2 + 4W - 140 = 0\r<BR>\n" );
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document.write( "factor this quadratic equation to get:\r<BR>\n" );
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document.write( "(W + 14) * (W - 10) = 0\r<BR>\n" );
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document.write( "set each factor equal to 0 and solve for x to get:\r<BR>\n" );
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document.write( "W = -14 or W = 10\r<BR>\n" );
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document.write( "since W has to be positive, the value of W must be equal to 10.\r<BR>\n" );
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document.write( "confirm this is correct by replacing W with 10 in the original equation.\r<BR>\n" );
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document.write( "you get (W + 4) * (W) = 120 which becomes:<BR>\n" );
document.write( "14 * 10 = 140 <BR>\n" );
document.write( "since this is true, the value of W = 10 is confirmed to be good.\r<BR>\n" );
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document.write( "your solution is:\r<BR>\n" );
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document.write( "the rectangle has a length of 14 and a width of 10.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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