document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=490665>Question 490665</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello, I need help.\r<BR>\n" );
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document.write( "Use the “difference of squares” rule to factor the following expression:\r<BR>\n" );
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document.write( "25-9z^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #334275 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=334275\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 25-9z^2<BR>\n" );
document.write( "can be written as:<BR>\n" );
document.write( "(5)^2 - (3z)^2<BR>\n" );
document.write( "(difference of squares)<BR>\n" );
document.write( "we can now factor as:<BR>\n" );
document.write( "(5-3z)(5+3z)<BR>\n" );
document.write( " </SPAN>\n" );
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