document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=381590>Question 381590</A>: <I><SPAN STYLE=\"word-break: break-all;\"> When asked to solve x^2 + 4x = 5 by using the quadratic formula, a student did the<BR>\n" );
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document.write( "x = -4±(&#8730;4^2-4·1·5)/2·1 = -4±(&#8730;16-20)/2 = -4±(&#8730;-4)/2 = -2±i\r<BR>\n" );
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document.write( "What did the student do wrong? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #270671 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=270671\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First, you have to set the equation EQUAL to ZERO.  \r<BR>\n" );
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document.write( "x^2 + 4x - 5 = 0\r<BR>\n" );
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document.write( "a=1, b=4, and c=-5.\r<BR>\n" );
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document.write( "In the square root, the student should have had <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%2816%2B20%29 ALIGN=MIDDLE  ALT=\"sqrt%2816%2B20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "Dr. Rapalje </SPAN>\n" );
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