document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=630636>Question 630636</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Factor the expression 4x^2- 20xy +25y^2 into a product of binomials. Please show your steps.\r<BR>\n" );
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document.write( "When I worked it out ....<BR>\n" );
document.write( " I got a= 2 am I right?\r<BR>\n" );
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document.write( "Thank you in advance... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #397061 by </B><A HREF=/tutors/aboutme.mpl?userid=dfrazzetto><B>dfrazzetto(283)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dfrazzetto><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=dfrazzetto><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=397061\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4x^2- 20xy +25y^2\r<BR>\n" );
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document.write( "this is a perfect square trinomial\r<BR>\n" );
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document.write( "4x^2 = (2x)^2; 25y^2 = (5y)^2\r<BR>\n" );
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document.write( "Factoring:\r<BR>\n" );
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document.write( "4x^2- 20xy +25y^2\r<BR>\n" );
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document.write( "(2x - 5y)(2x - 5y) = (2x - 5y)^2\r<BR>\n" );
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document.write( "Check, expand the binomial squared (using FOIL):\r<BR>\n" );
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document.write( "(2x - 5y)(2x - 5y) = 4x^2 - 10xy - 10xy + 25y^2 = 4x^2- 20xy +25y^2 </SPAN>\n" );
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