document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=62917>Question 62917</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (4 sqrt 5 - 2 sqrt 3) (4 sqrt 5 + 2 sqrt 3)  thank you for all your help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #43727 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=43727\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (4SQRT5-2SQRT3)(4SQRT5+2SQRT3)<BR>\n" );
document.write( "4SQRT5*4SQRT5=16*5=90<BR>\n" );
document.write( "4SQRT5*2SQRT3=8*SQRT15<BR>\n" );
document.write( "-2SQRT3*4SQRT5=-8SQRT15<BR>\n" );
document.write( "-2SQRT3*2SQRT3=-4*3<BR>\n" );
document.write( "NOW WE HAVE 90+8SQRT15-8SQRT15-12 SQRT15 CANCELLS THUS WE HAVE<BR>\n" );
document.write( "90-12=78<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );