document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1118427>Question 1118427</A>: <I><SPAN STYLE=\"word-break: break-all;\"> z^2-4z=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #733797 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=733797\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z = 0 and z = 4 are valid solutions.<BR>\n" );
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document.write( "There is no division by zero.<BR>\n" );
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document.write( "Check:<BR>\n" );
document.write( "z^2-4z=0<BR>\n" );
document.write( "z = 0<BR>\n" );
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document.write( "0^2 - 4*0 = 0<BR>\n" );
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document.write( "z^2-4z=0<BR>\n" );
document.write( "z = 4<BR>\n" );
document.write( "16 - 16 = 0<BR>\n" );
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