document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1084126>Question 1084126</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A square concrete patio in located the center of the a rectangular yard. The yard is (x + 10) long and (x +8) wide. The concrete patio is  (x + 4) long and (x + 4) wide. The area of just the grass is 264 ft^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #698187 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=698187\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the area of the rectangular grassy yard is equal to (x+10) * (x+8).\r<BR>\n" );
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document.write( "the area of the concrete patio is (x+4)^2.\r<BR>\n" );
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document.write( "the area of just the grassy part of the yard is 264 square feet.\r<BR>\n" );
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document.write( "if you take the area of the grassy yard and subtract the area of the concrete patio, you will have the area of just the grassy part of the grassy yard.\r<BR>\n" );
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document.write( "what you get is (x+10) * (x+8) - (x+4)^2\r<BR>\n" );
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document.write( "simplify this to get:\r<BR>\n" );
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document.write( "x^2 + 8x + 10x + 80 - (x^2 + 8x + 16)\r<BR>\n" );
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document.write( "simplify this a little further to get:\r<BR>\n" );
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document.write( "x^2 + 8x + 10x + 80 - x^2 - 8x - 16\r<BR>\n" );
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document.write( "combine like terms to get:\r<BR>\n" );
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document.write( "10x + 64\r<BR>\n" );
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document.write( "this is the area of the grassy part of the grassy yard that is equal to 264 square feet.\r<BR>\n" );
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document.write( "you get:\r<BR>\n" );
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document.write( "10x + 64 = 264\r<BR>\n" );
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document.write( "subtract 64 from both sides of this equation to get:\r<BR>\n" );
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document.write( "10x = 200\r<BR>\n" );
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document.write( "solve for x to get x = 20\r<BR>\n" );
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document.write( "the area of the grassy yard is (x+10) * (x+8)\r<BR>\n" );
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document.write( "when x = 20, this becomes 30 * 28 = 840 square feet\r<BR>\n" );
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document.write( "the area of the concrete patio is (x+4)^2.\r<BR>\n" );
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document.write( "when x = 20, this becomes 24^2 = 576 square feet.\r<BR>\n" );
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document.write( "subtract the area of the concrete patio from the area of the grassy yard and you get 840 - 576 = 264 square yards.\r<BR>\n" );
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document.write( "solution looks good.\r<BR>\n" );
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document.write( "x = 20.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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