document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=322299>Question 322299</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I get B in this Equation?\r<BR>\n" );
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document.write( "r^2-br+49=0\r<BR>\n" );
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document.write( "A=1<BR>\n" );
document.write( "B=?<BR>\n" );
document.write( "C=49 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #230727 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=230727\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> r^2-br+49=0<BR>\n" );
document.write( "When the above equation is a perfect square<BR>\n" );
document.write( "(r-7)^2= r^2-2*7*1*r+49<BR>\n" );
document.write( "compare the equation r^2-br+49<BR>\n" );
document.write( "b=2*7*1<BR>\n" );
document.write( "b=14 </SPAN>\n" );
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