document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=539689>Question 539689</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A ladder is resting against a wall. The top of the ladder touches the wall at a height of 15 feet. Find the distance from the wall to the bottom of the ladder if the length of the ladder is one foot more than twice its distance from the wall. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #353518 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=353518\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> height at which the ladder touches the wall								=	15		ft	<BR>\n" );
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document.write( "Distance from foot of the ladder to the wall=	x				<BR>\n" );
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document.write( "Length of the ladder =	2	x	+	1				<BR>\n" );
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document.write( "The ladder,the floor & the wall form a right triangle.												<BR>\n" );
document.write( "The base is one leg	.The height is the other leg							<BR>\n" );
document.write( "The ladder acts as the hypotenuse												<BR>\n" );
document.write( "Pythagoras theorem												<BR>\n" );
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document.write( "(Hyp)^2= 		(leg1)^2+			Leg2^2							<BR>\n" );
document.write( "(2x+1)^2	=	X^2	+	15	^2		<BR>\n" );
document.write( "X^2+4x	+	1	=X^2+225			<BR>\n" );
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document.write( "4X^2-	x^2	+	4	x+	1		-225			<BR>\n" );
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document.write( "3	X^2-	+	4	x  		-224						<BR>\n" );
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document.write( "Find the roots of the equation by quadratic formula												<BR>\n" );
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document.write( "a=	3	,b=	4	,c=	-224							<BR>\n" );
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document.write( "b^2-4ac=	16	+	2688									<BR>\n" );
document.write( "b^2-4ac=	2704											<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( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x1=%28-12%2B21%29%2F%2812%29 ALIGN=MIDDLE  ALT=\"x1=%28-12%2B21%29%2F%2812%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >												<BR>\n" );
document.write( "x1=(	-4	+	52	)/	6							<BR>\n" );
document.write( "x1=	8	ft										<BR>\n" );
document.write( "x2=(	-4	-52	) /	6								<BR>\n" );
document.write( "x2= 	-9.33											<BR>\n" );
document.write( "Ignore negative value												<BR>\n" );
document.write( "height at which the ladder touches the wall	=	8	ft									<BR>\n" );
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document.write( "m.ananth@hotmail.ca </SPAN>\n" );
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