document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=176261>Question 176261</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to know how to multiply (5- square root of 11) by it's conjugate and simplify. Help please? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #131349 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=131349\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I need to know how to multiply (5- square root of 11) by it's conjugate and simplify.<BR>\n" );
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document.write( "Conjugates multiplication takes the following form:<BR>\n" );
document.write( "(a - sqrt(b))(a + sqrt(b)) = a^2 -b<BR>\n" );
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document.write( "(5- sqrt(11))(5 + sqrt(11)) = 25 - 11 = 14<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H> </SPAN>\n" );
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