document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=766326>Question 766326</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve by using the quadratic formula and checking solution <BR>\n" );
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document.write( " x^2-3x+4=0 \r<BR>\n" );
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document.write( "  b^2-4ac=(-3)^2-4*(1)(4)=9-16=-7<BR>\n" );
document.write( " x=(-bħ&#8730;(b^2-4ac))/2a<BR>\n" );
document.write( " x=(-(-3)ħ&#8730;(-7))/(2(1))<BR>\n" );
document.write( " x=1/2-(3ħi&#8730;(-7))<BR>\n" );
document.write( " (1/2 x(3ħix&#12310;&#8730;7&#12311;^2-3x(1/2 x(3x(3ħix&#8730;(7))+4=0\r<BR>\n" );
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document.write( "Is this correct? <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #466819 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39616)</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=466819\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Just be more careful about how you use text to express your expressions.\r<BR>\n" );
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document.write( "The work seems good.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283%2B-sqrt%289-4%2A1%2A4%29%29%2F%282%2A1%29 ALIGN=MIDDLE  ALT=\"%283%2B-sqrt%289-4%2A1%2A4%29%29%2F%282%2A1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%283%2B-sqrt%28-7%29%29%2F2%29 ALIGN=MIDDLE  ALT=\"highlight%28%283%2B-sqrt%28-7%29%29%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OR if you prefer,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283%2B-i%2Asqrt%287%29%29%2F2 ALIGN=MIDDLE  ALT=\"%283%2B-i%2Asqrt%287%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OR still further,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%283%2F2%29%2B-i%2A%281%2F2%29%2Asqrt%287%29%29 ALIGN=MIDDLE  ALT=\"highlight%28%283%2F2%29%2B-i%2A%281%2F2%29%2Asqrt%287%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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