document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=322686>Question 322686</A>: <I><SPAN STYLE=\"word-break: break-all;\"> BONUS:  Factor x² - 4x + 4 – 9y². </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #231003 by </B><A HREF=/tutors/aboutme.mpl?userid=CharlesG2><B>CharlesG2(834)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CharlesG2><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=231003\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> BONUS:  Factor x² - 4x + 4 – 9y².\r<BR>\n" );
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document.write( "x^2 - 4x + 4 - 9y^2<BR>\n" );
document.write( "(x - 2)^2 - (3y)^2<BR>\n" );
document.write( "note: (x - 2)(x - 2) using FOIL equals x^2 - 4x + 4<BR>\n" );
document.write( "(x - 2 + sqrt(3)y)(x - 2 - sqrt(3)y)<BR>\n" );
document.write( "check by distributing:<BR>\n" );
document.write( "x^2 - 2x - sqrt(3)xy -2x + 4 + 2sqrt(3)y + sqrt(3)xy - 2sqrt(3)y - 9y^2<BR>\n" );
document.write( "x^2 - 2x - 2x - sqrt(3)xy + sqrt(3)xy  + 4 - 9y^2<BR>\n" );
document.write( "x^2 - 4x + 4 - 9y^2<BR>\n" );
document.write( " </SPAN>\n" );
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