document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=227658>Question 227658</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I don't see differentiating listed, but can you still help?\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%27+for+the+function+f%28x%29=5x%5E2-8x%2B12 ALIGN=MIDDLE  ALT=\"f%27+for+the+function+f%28x%29=5x%5E2-8x%2B12\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "My answer is 6? but I am not sure if it is -1/5 either? <BR>\n" );
document.write( "5x^2-8x+12<BR>\n" );
document.write( "=10x-8x+12   or   <BR>\n" );
document.write( "=2x+12=0          <BR>\n" );
document.write( "2x=-12            <BR>\n" );
document.write( "x=-12/2           <BR>\n" );
document.write( "x=-6???           \r<BR>\n" );
document.write( "\n" );
document.write( "10x-8+12<BR>\n" );
document.write( "10x+2=0<BR>\n" );
document.write( "10x=-2<BR>\n" );
document.write( "x=-1/5???  <BR>\n" );
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 #169101 by </B><A HREF=/tutors/aboutme.mpl?userid=user_dude2008><B>user_dude2008(1862)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=user_dude2008><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=169101\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE f(x)=5x^2-8x+12\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE f^{\prime}(x)=2\cdot5x^{2-1}-1\cdot8x^{1-1}\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE f^{\prime}(x)=10x-8\">  <---- first answer\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE 10x-8=0\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE 10x=8\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x=\frac{8}{10}\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x=\frac{4}{5}\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Answer is <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x=\frac{4}{5}\"> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );