document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=306372>Question 306372</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This is called FACTORING BY GROUPING, and I did the rest of the questions but need help with these two:<BR>\n" );
document.write( "4. 4x2 + 20x + 5y +xy <BR>\n" );
document.write( "7. 48x2y + 20xz +12xy + 5z  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #219263 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=219263\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4. 4x2 + 20x + 5y +xy<BR>\n" );
document.write( "Reordering:<BR>\n" );
document.write( "4x^2+xy + 20x + 5y<BR>\n" );
document.write( "Grouping:<BR>\n" );
document.write( "(4x^2+xy) + (20x + 5y)<BR>\n" );
document.write( "x(4x+y) + 5(4x + y)<BR>\n" );
document.write( "(4x + y)(x+5)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "7. 48x2y + 20xz +12xy + 5z <BR>\n" );
document.write( "Reordering:<BR>\n" );
document.write( "48x^2y+12xy + 20xz+5z<BR>\n" );
document.write( "Grouping:<BR>\n" );
document.write( "(48x^2y+12xy) + (20xz+5z)<BR>\n" );
document.write( "12xy(4x+1) + 5z(4x+1)<BR>\n" );
document.write( "(4x+1)(12xy+5z)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );