document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=867173>Question 867173</A>: <I><SPAN STYLE=\"word-break: break-all;\"> quisiera saber como se resuelve la expresion, comopodria simplificar o factorizar (1+1/x)^2-(1-1/x)^2 Agradezco a quien me pueda ayudar </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #522801 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=522801\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (1+1/x)^2-(1-1/x)^2 =<BR>\n" );
document.write( "(1 +2/x +1/x^2 - (1 -2/x +1/x^2) =<BR>\n" );
document.write( "1 +2/x +1/x^2 -1 +2/x -1/x^2 =<BR>\n" );
document.write( "solución es 4/x<BR>\n" );
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