document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=721146>Question 721146</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (n)^2+(2n-1)^2=(2n+1)^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #442265 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley79><B>checkley79(3341)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley79><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=442265\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (n)^2+(2n-1)^2=(2n+1)^2<BR>\n" );
document.write( "N^2+4N^2-4N+1=4N^2+4N+1<BR>\n" );
document.write( "N^2-4N-4N=0<BR>\n" );
document.write( "N^2-8N=0<BR>\n" );
document.write( "N(N-8)=0<BR>\n" );
document.write( "N=0 ANS<BR>\n" );
document.write( "N-8=0<BR>\n" );
document.write( "N=8 ANS.<BR>\n" );
document.write( "PROOFS:<BR>\n" );
document.write( "0^2+(2*0-1)^2=(2*0+1)^2<BR>\n" );
document.write( "0+-1^2=1^2<BR>\n" );
document.write( "1=1<BR>\n" );
document.write( "8^2+(2*8-1)^2=(2*8+1)^2<BR>\n" );
document.write( "64+(16-1)^2=(16+1)^2<BR>\n" );
document.write( "64+15^2=17^2<BR>\n" );
document.write( "64+225=289<BR>\n" );
document.write( "289=289<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );