document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=27969>Question 27969</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Factor the following binomials.\r<BR>\n" );
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document.write( "25x^2 - 81y^2\r<BR>\n" );
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document.write( "Help me.\r<BR>\n" );
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document.write( "Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #15279 by </B><A HREF=/tutors/aboutme.mpl?userid=sdmmadam@yahoo.com><B>sdmmadam@yahoo.com(530)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sdmmadam@yahoo.com><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=15279\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 25x^2 - 81y^2<BR>\n" );
document.write( "= [(5x)^2)-(9y)^2]<BR>\n" );
document.write( "= [(a)^2 - (b)^2] where a = 5x and b = 9y<BR>\n" );
document.write( "= (a+b)(a-b) by formula<BR>\n" );
document.write( "= (5x+9y)(5x-9y)<BR>\n" );
document.write( "Answer: (25x^2 - 81y^2) = (5x+9y)(5x-9y)<BR>\n" );
document.write( "Verification: Expanding the product (5x+9y)(5x-9y)\r<BR>\n" );
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document.write( "=5x(5x-9y)+9y(5x-9y) 9first term of the first bracket(along with the sign) mutiplied by the whole of the next bracket and similarly 2nd term of the ....)<BR>\n" );
document.write( "=25x^2-45xy+45xy-81y^2<BR>\n" );
document.write( "=25x^2+0-81y^2<BR>\n" );
document.write( "=25x^2 - 81y^2\r<BR>\n" );
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