document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=32438>Question 32438</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help answer the following problem.  <BR>\n" );
document.write( "(x+1)^3 - (x-1)^3<BR>\n" );
document.write( "This is what we have so far:  (x+1)(x+1)(x+1) = x^3+3x^2+3x+1<BR>\n" );
document.write( "However, we are confused about how to handle the subtration between the two expressions in parenthesis that needs to be cubed.  Please provide a detailed description, because we have several problems with this same format.\r<BR>\n" );
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document.write( "Thanks so much!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #18931 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=18931\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Please help answer the following problem.  <BR>\n" );
document.write( "(x+1)^3 - (x-1)^3<BR>\n" );
document.write( "This is what we have so far:  (x+1)(x+1)(x+1) = x^3+3x^2+3x+1<BR>\n" );
document.write( "However, we are confused about how to handle the subtration between the two expressions in parenthesis that needs to be cubed.  Please provide a detailed description, because we have several problems with this same format.\r<BR>\n" );
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document.write( "USE THE FORMULA <BR>\n" );
document.write( "A^3-B^3=(A-B)(A^2+AB+B^2).....YOU CAN MULTIPLY AND CHECK...SO WE GET....\r<BR>\n" );
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document.write( "TAKING A=X+1 AND B=X-1,WE GET   <BR>\n" );
document.write( "(x+1)^3 - (x-1)^3={(X+1)-(X-1))*{(X+1)^2+(X+1)(X-1)+(X-1)^2}=<BR>\n" );
document.write( "=(X+1-X+1)(X^2+1+2X+X^2-1+X^2+1-2X)<BR>\n" );
document.write( "=2(3X^2-1)...IS THE ANSWER.\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );