document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=472171>Question 472171</A>: <I><SPAN STYLE=\"word-break: break-all;\"> -x^2+7x=4\r<BR>\n" );
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document.write( "I changed it to -x^2+ 7x -4 = 0 <BR>\n" );
document.write( "and quadratic equation would be -b+/- the square root of b^2 -4ac all over 2a. <BR>\n" );
document.write( "a=-1 <BR>\n" );
document.write( "b= 7 <BR>\n" );
document.write( "c= -4 <BR>\n" );
document.write( "and I got 7.5 and 0.5 but when I plug it back in it does not work! <BR>\n" );
document.write( "Help is MUCH appreciated! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #323772 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=323772\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the roots of the equation by quadratic formula							<BR>\n" );
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document.write( "a=	-1	,b=	7	,c=	-4		<BR>\n" );
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document.write( "b^2-4ac=	49-(-16)				<BR>\n" );
document.write( "b^2-4ac=	33			<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28%0933%29 ALIGN=MIDDLE  ALT=\"sqrt%28%0933%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=	5.74<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+5.74)/-2		<BR>\n" );
document.write( "x1=	0.63						<BR>\n" );
document.write( "x2=(-7-5.74) /	-2			<BR>\n" );
document.write( "x2= 	6.37						<BR>\n" );
document.write( " </SPAN>\n" );
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