document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=423906>Question 423906</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Factor completely. Look first for a common factor. If a polynomial is prime, state this. 25x^2 - 4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #295568 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=295568\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Notice, we can rewrite:<BR>\n" );
document.write( "25x^2 - 4<BR>\n" );
document.write( "as:<BR>\n" );
document.write( "(5x)^2 - 2^2<BR>\n" );
document.write( "This is now a \"difference of squares\" (special factoring case):<BR>\n" );
document.write( "(5x - 2)(5x + 2)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );