document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=262895>Question 262895</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My son is trying to learn how to factor when either square is a square of a polynomial. Such as this problem: 9a^2-(2a-5)^2. I know the answer from the teacher book is 5(a-1)(a+5)^2, but I can't explain to him how to work it. Any help is appreciated.<BR>\n" );
document.write( "Phebe Little, for my son Micah, who is in Algebra I </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #193659 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=193659\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 9a^2-(2a-5)^2<BR>\n" );
document.write( "9a^2-(4a^2-20a+25)<BR>\n" );
document.write( "9a^2-4a^2+20a-25<BR>\n" );
document.write( "5a^2+20a-25<BR>\n" );
document.write( "5(a^2+4a-5)<BR>\n" );
document.write( "5(a-1)(a+5) ans.<BR>\n" );
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document.write( "[5(a-1)(a+5)^2 NOT AN ANSWER.] </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );