document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=937693>Question 937693</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve for x: <BR>\n" );
document.write( "7x^2 - 21x - 3 = 0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #571119 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=571119\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Can you try to factorize the left side?\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%287x%2B-+1%29%28x%2B-+%28-3%29%29 ALIGN=MIDDLE  ALT=\"%287x%2B-+1%29%28x%2B-+%28-3%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%287x%2B-+3%29%28x%2B-+1%29 ALIGN=MIDDLE  ALT=\"%287x%2B-+3%29%28x%2B-+1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, four possibilities.  Does one of them work?\r<BR>\n" );
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document.write( "(7x+1)(x-3)=....<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1x-21x ALIGN=MIDDLE  ALT=\"1x-21x\"   DISABLED_style= \"max-width:90%; height:auto;\" >...    NO.\r<BR>\n" );
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document.write( "(7x-1)(x+3)=......<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2821-1%29x ALIGN=MIDDLE  ALT=\"%2821-1%29x\"   DISABLED_style= \"max-width:90%; height:auto;\" >....    NO.\r<BR>\n" );
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document.write( "(7x+3)(x-1)...........(7-3)x.......   NO\r<BR>\n" );
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document.write( "Last combination will not work either.\r<BR>\n" );
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document.write( "You will need to use the formula for the general solution of a quadratic equation.\r<BR>\n" );
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document.write( "Follow this formula: \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ax%5E2%2Bbx%2Bc=0 ALIGN=MIDDLE  ALT=\"ax%5E2%2Bbx%2Bc=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28-b%2B-+sqrt%28b%5E2-4ac%29%29%2F%282a%29 ALIGN=MIDDLE  ALT=\"x=%28-b%2B-+sqrt%28b%5E2-4ac%29%29%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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