document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=424352>Question 424352</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i have to find all real solution to equation 5(b-1)^2-4=221 and also i don't know how to apply quadratic formula to this equation. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #295846 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=295846\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> i have to find all real solution to equation 5(b-1)^2-4=221 and also i don't know how to apply quadratic formula to this equation.<BR>\n" );
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document.write( "5(b-1)^2-4=221 <BR>\n" );
document.write( "5(b-1)^2 = 225<BR>\n" );
document.write( "(b-1)^2 = 45<BR>\n" );
document.write( "---<BR>\n" );
document.write( "(b-1) = +-sqrt(9*5)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "b-1 = +-3sqrt(5)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "b = 1+3sqrt(5) or b = 1-3sqrt(5)<BR>\n" );
document.write( "================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "========================<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );