document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=879256>Question 879256</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Bill and Jenna are solving the quadratic equation x 2 - x = 12.\r<BR>\n" );
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document.write( "Bill solved this way	Jenna solved this way<BR>\n" );
document.write( "x2 - x = 12<BR>\n" );
document.write( "x(x - 1) = 12<BR>\n" );
document.write( "x = 12 or 13	x2 - x = 12<BR>\n" );
document.write( "x2 - x - 12 = 0<BR>\n" );
document.write( "(x - 4)(x + 3) = 0<BR>\n" );
document.write( "x = 4 or x = -3<BR>\n" );
document.write( "Which student is correct?\r<BR>\n" );
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document.write( "What error did the other student make when solving?\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #530642 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=530642\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2 - x - 12 = 0<BR>\n" );
document.write( " (x - 4)(x + 3) = 0<BR>\n" );
document.write( " x = 4 or x = -3<BR>\n" );
document.write( "What error did the other student make when solving? <BR>\n" );
document.write( "being absent when factoring was explained?? don't know...<BR>\n" );
document.write( "Quadratics are solved by using <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<BR>\n" );
document.write( "by factoring Or by completing the square </SPAN>\n" );
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