document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=699160>Question 699160</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Plz help me to solve this question<BR>\n" );
document.write( "Find the derivative of the following<BR>\n" );
document.write( "Y =(9x2+1)(3x+2)<BR>\n" );
document.write( "y=(x2+3)(x-1-1) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #431246 by </B><A HREF=/tutors/aboutme.mpl?userid=Simnepi><B>Simnepi(216)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Simnepi><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=Simnepi><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=431246\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First you need to expand (multiply out) the brackets<BR>\n" );
document.write( "Eg<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%289x%5E2%2B1%29%283x%2B2%29 ALIGN=MIDDLE  ALT=\"y=%289x%5E2%2B1%29%283x%2B2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=+27x%5E3%2B18x%5E2%2B3x%2B2 ALIGN=MIDDLE  ALT=\"y=+27x%5E3%2B18x%5E2%2B3x%2B2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now you can differentiate the expression to find the derivative.<BR>\n" );
document.write( "So<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=dy%2Fdx=+81x%5E2%2B36x%2B3 ALIGN=MIDDLE  ALT=\"dy%2Fdx=+81x%5E2%2B36x%2B3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now we can do a similar thing with the other equation<BR>\n" );
document.write( "Unfortunately there's a problem! the second bracket contains (x-1-1) is that    (x-2)? or is it<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E-1-1%29 ALIGN=MIDDLE  ALT=\"%28x%5E-1-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "I'll treat it like it's <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E-1-1%29 ALIGN=MIDDLE  ALT=\"%28x%5E-1-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So we have <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%28x%5E2%2B3%29%28x%5E-1-1%29 ALIGN=MIDDLE  ALT=\"y=%28x%5E2%2B3%29%28x%5E-1-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Let's expand the brackets<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=+x-x%5E2%2B3x%5E-1-3 ALIGN=MIDDLE  ALT=\"y=+x-x%5E2%2B3x%5E-1-3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now you can differentiate the expression to find the derivative.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=dy%2Fdx+=+1-2x-3x%5E-2 ALIGN=MIDDLE  ALT=\"dy%2Fdx+=+1-2x-3x%5E-2\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );