document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=988931>Question 988931</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How to determine the quadratic equation given the roots or given the sum and product of the roots? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #609374 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><B>algebrahouse.com(1659)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><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=algebrahouse.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=609374\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "Work backwards.\r<BR>\n" );
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document.write( "For example:<BR>\n" );
document.write( "If x = 2 and x = -3<BR>\n" );
document.write( "x - 2 = 0 and x + 3 = 0 {subtracted 2 from first equation and added 3 to second equation}<BR>\n" );
document.write( "(x - 2)(x + 3) = 0   {since both equal zero, multiply together and set equal to zero}<BR>\n" );
document.write( "x² + x - 6 = 0   {used foil method}<BR>\n" );
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