document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=442325>Question 442325</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do you factor 9-c^2d^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #305067 by </B><A HREF=/tutors/aboutme.mpl?userid=swincher4391><B>swincher4391(1107)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=swincher4391><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=swincher4391><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=305067\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Recall, given some (a^2 -b^2), it always factors into (a+b)(a-b).\r<BR>\n" );
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document.write( "Well this is exactly what you have under your nose. (9-c^2d^2). Would it help if we simplified this to (9-(cd)^2)? Since (cd)^2 = c^2 d^2. Now it is apparent we have two perfect squares. So we can factor it in to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283%2Bcd%29%283-cd%29 ALIGN=MIDDLE  ALT=\"%283%2Bcd%29%283-cd%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Let me know if this is clear! \r<BR>\n" );
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document.write( "Hope this helped. </SPAN>\n" );
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