document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1026848>Question 1026848</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the length of a rectangle is 7 meters more than four times its width. If the area o the rectangle is 650 square meters, find the length and the width\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #642145 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=642145\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> width be x\r<BR>\n" );
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document.write( "length = 4x+7\r<BR>\n" );
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document.write( "Area = 650 m^2\r<BR>\n" );
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document.write( "Area = L *W\r<BR>\n" );
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document.write( "x(4x+7) =650\r<BR>\n" );
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document.write( "4x^2+7x-650=0\r<BR>\n" );
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document.write( "a=	4	,	b=	7	,	c=	-650	<BR>\n" );
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document.write( "b^2-4ac=	49	+	10400					<BR>\n" );
document.write( "b^2-4ac=	10449							<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%09sqrt%28%0910449%09%29=%09102.22%09 ALIGN=MIDDLE  ALT=\"%09sqrt%28%0910449%09%29=%09102.22%09\"   DISABLED_style= \"max-width:90%; height:auto;\" >			<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29 ALIGN=MIDDLE  ALT=\"x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >								<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x1=%28-b%2Bsqrt%28b%5E2-4ac%29%29%2F%282a%29 ALIGN=MIDDLE  ALT=\"x1=%28-b%2Bsqrt%28b%5E2-4ac%29%29%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >								<BR>\n" );
document.write( "x1=(	-7	+	102.22	)/	8			<BR>\n" );
document.write( "x1=	11.90							<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x2=%28-b-sqrt%28b%5E2-4ac%29%29%2F%282a%29 ALIGN=MIDDLE  ALT=\"x2=%28-b-sqrt%28b%5E2-4ac%29%29%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >								<BR>\n" );
document.write( "x2=(	-7	-102.22	) /	8				<BR>\n" );
document.write( "x2=	-13.65							\r<BR>\n" );
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document.write( "ignore negative \r<BR>\n" );
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document.write( "width = 11.8 m\r<BR>\n" );
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document.write( "length = 4*11.9 +7<BR>\n" );
document.write( "=54.6 m\r<BR>\n" );
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