document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=297739>Question 297739</A>: <I><SPAN STYLE=\"word-break: break-all;\"> factor 15x^2 -4xy -4y^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #214366 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=214366\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> factor 15x^2 -4xy -4y^2<BR>\n" );
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document.write( "Think of two numbers whose product is 15*-4 = -60<BR>\n" );
document.write( "and whose sum is -4<BR>\n" );
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document.write( "The numbers are -10 and +6<BR>\n" );
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document.write( "Rewrite the problem replacing -4xy by -10xy+6xy.<BR>\n" );
document.write( "= 15x^2 - 10xy+6xy - 4y^2<BR>\n" );
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document.write( "Factor:<BR>\n" );
document.write( "5x(3x-2y) - 2y(3x+2y)<BR>\n" );
document.write( "Factor again to get the final answer:<BR>\n" );
document.write( "(3x+2y)(5x-2y)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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