document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=737105>Question 737105</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the quadratic equation by factoring and applying the property \"ab=0 if and only if a=0or b=0\r<BR>\n" );
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document.write( "x^2+2kx-8k^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #450153 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=450153\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve the quadratic equation by factoring and applying the property \"ab=0 if and only if a=0or b=0 <BR>\n" );
document.write( "x^2+2kx-8k^2<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Rewrite as:<BR>\n" );
document.write( "x^2 + 4kx - 2kx - 8k^2<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "Factor by grouping:<BR>\n" );
document.write( "x(x+4k)-2k(x+4k)<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Factor:<BR>\n" );
document.write( "(x+4k)(x-2k) = 0<BR>\n" );
document.write( "Solve using the zero rule:<BR>\n" );
document.write( "x+4k = 0 or x-2k = 0<BR>\n" );
document.write( "x = -4k or x = 2k<BR>\n" );
document.write( "=============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "============================== </SPAN>\n" );
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