document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=913629>Question 913629</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello, I'm having a hard time solving this problem:<BR>\n" );
document.write( "A guy wire 40 feet long runs from the top of a pole to a spot on the ground. If the height of the pole is 5 feet more than the distance from the base of the pole to the spot where the guy wire is anchored, how tall is the pole? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #554623 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=554623\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> distance from base of pole leg1=	x   	m  								<BR>\n" );
document.write( "Height of pole 	leg2=	x+	5	m  						<BR>\n" );
document.write( "wire , Hypotenuse =		40	m  							<BR>\n" );
document.write( "										<BR>\n" );
document.write( "Pythagoras theorem										<BR>\n" );
document.write( "										<BR>\n" );
document.write( "(Hyp)^2=		(leg1)^2+			Leg2^2					<BR>\n" );
document.write( "Hypotenuse =			40	cm						<BR>\n" );
document.write( "leg1=			x 	cm						<BR>\n" );
document.write( "Leg2=			(x	+	5	)  				<BR>\n" );
document.write( "										<BR>\n" );
document.write( "x^2	+	(x	+	5	)  ^2	+		=	1600	<BR>\n" );
document.write( "x^2	+	x^2	+	10	x+	25			=	1600<BR>\n" );
document.write( "2	x^2+10x -1575	=	0		<BR>\n" );
document.write( "/	2									<BR>\n" );
document.write( "1	X^2	+	5	x-787.5	=	0		<BR>\n" );
document.write( "Find the roots of the equation by quadratic formula										<BR>\n" );
document.write( "										<BR>\n" );
document.write( "a=	1	,b=	5	,c=	-787.5					<BR>\n" );
document.write( "										<BR>\n" );
document.write( "b^2-4ac=	25	-	-3150							<BR>\n" );
document.write( "b^2-4ac=	3175		<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28b%5E2-4ac%29=56.35%09%09%09%09%0D%0A%7B%7B%7Bx=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29 ALIGN=MIDDLE   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=(	51.35)/	2					<BR>\n" );
document.write( "x1=	25.67	ft								<BR>\n" );
document.write( "x2=(	-5	-56.35	) /	2						<BR>\n" );
document.write( "x2=	-30.67									<BR>\n" );
document.write( "Ignore negative value		\r<BR>\n" );
document.write( "\n" );
document.write( "Height of pole = 25.67+5= 30.67m								<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );