document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=182655>Question 182655</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780073312682/algebrahomeworkh>Intermediate algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> 2 sq rt3 + sq rt7 over 3 sqrt3 - sqrt7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #137143 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=137143\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> {[2sqrt(3)+sqrt(7)]/[3sqrt(3)-sqrt(7)]}<BR>\n" );
document.write( "={[2sqrt(3)+sqrt(7)]/[3sqrt(3)-sqrt(7)]} * {[3sqrt(3)+sqrt(7)]/[3sqrt(3)+sqrt(7)]} So as to eliminate sqrts in the denominator (not allowed in an answer).(a-b)(a+b)=a^2-b^2 with a=3sqrt(3) and b=sqrt(7) <BR>\n" );
document.write( "=[18+5sqrt(21)+7]/(27-7)<BR>\n" );
document.write( "=[25+5sqrt(21)]/20<BR>\n" );
document.write( "=[5+sqrt(21)]/4<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );