document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1141584>Question 1141584</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Factorise completely: 4b² - ab + (a + 9b)² - a² </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #762155 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=762155\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Factorise completely: 4b² - ab + (a + 9b)² - a² <BR>\n" );
document.write( "FOIL (a+9b)(a+9b)<BR>\n" );
document.write( "4b^2 - ab + a^2 + 18ab +81b^2 - a^2<BR>\n" );
document.write( "combine like terms<BR>\n" );
document.write( "4b^2 + 81b^2 - ab + 18ab + a^2 - a^2<BR>\n" );
document.write( "85b^2 + 17ab<BR>\n" );
document.write( "Factor out 17b<BR>\n" );
document.write( "17b(5b + a) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );