document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=214368>Question 214368</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (x+y)* (x+y)*(x+y)= (x+y)^3   laws of exponents<BR>\n" );
document.write( "when I use the distributive law...I get x^3 + 3*x^2*y + 3*x*y^2 + y^3  why can't I prove out (x+y)^3?  I am missing something </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #161913 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=161913\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (x+y)* (x+y)*(x+y)= (x+y)^3 laws of exponents<BR>\n" );
document.write( "when I use the distributive law...I get x^3 + 3*x^2*y + 3*x*y^2 + y^3 why can't I prove out (x+y)^3? I am missing something<BR>\n" );
document.write( "-------------------------------------------------<BR>\n" );
document.write( "Factor x^3 + 3*x^2*y + 3*x*y^2 + y^3 <BR>\n" );
document.write( "---<BR>\n" );
document.write( "Rearrange:<BR>\n" );
document.write( "3*x^2*y + 3*x*y^2 + x^3 + y^3<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Factor to get:<BR>\n" );
document.write( "3(xy)(x+y) + (x+y)( x^2-xy+y^2)<BR>\n" );
document.write( "(x+y)[3xy + x^2 -xy + y^2]<BR>\n" );
document.write( "(x+y)[x^2 +2xy +y^2]<BR>\n" );
document.write( "(x+y)(x+y)^2<BR>\n" );
document.write( "= (x+y)^3<BR>\n" );
document.write( "========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );