document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1047682>Question 1047682</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you explain how to to solve this problem? <BR>\n" );
document.write( "n=x<BR>\n" );
document.write( "  &#8721;    = n^2-2n+1=630<BR>\n" );
document.write( "n=12<BR>\n" );
document.write( "Solve for x.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #663229 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=663229\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Can you explain how to to solve this problem? <BR>\n" );
document.write( "n=x<BR>\n" );
document.write( "&#8721; = n^2-2n+1=630<BR>\n" );
document.write( "n=12<BR>\n" );
document.write( "----<BR>\n" );
document.write( "If n = 12 , n^2-2n+1 = 144-24+1 = 121 = 11^2<BR>\n" );
document.write( "If n = 13, n^2-2n+1 = 169-26+1 = 144 = 12^2<BR>\n" );
document.write( "If n = 14, n^2-2n+1 = 196-28+1 = 169 = 13^2<BR>\n" );
document.write( "If n = 15, 14^2 = 196<BR>\n" );
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document.write( "Add those to get 690\r<BR>\n" );
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document.write( "Ans: x = 15<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );