document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=634740>Question 634740</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all real number solutions for the equation 7x 3 + 252x = 0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #399874 by </B><A HREF=/tutors/aboutme.mpl?userid=unlockmath><B>unlockmath(1688)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=unlockmath><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=unlockmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=399874\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello, <BR>\n" );
document.write( "This,7x 3 + 252x = 0 I suspect is written as:<BR>\n" );
document.write( "7x^3 + 252x = 0<BR>\n" );
document.write( "IF so, then divide by 7x to get:<BR>\n" );
document.write( "x^2 + 36 = 0<BR>\n" );
document.write( "Subtract 36<BR>\n" );
document.write( "x^2=-36<BR>\n" );
document.write( "Sq root both sides and we end up with imaginary number:<BR>\n" );
document.write( "x=6i<BR>\n" );
document.write( "Make sense?<BR>\n" );
document.write( "RJ<BR>\n" );
document.write( "www.math-unlock.com </SPAN>\n" );
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