document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=193956>Question 193956</A>: <I><SPAN STYLE=\"word-break: break-all;\"> simplify\r<BR>\n" );
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document.write( "(p-the square root of n)*(p + the square root of n) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #145593 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=145593\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> these  are  conjugates,  use  distribution  techniques  to  resolve,  in  fact  use  FOIL  here,<BR>\n" );
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document.write( "(p-sqrt(n) )  *  (p+sqrt(n) )<BR>\n" );
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document.write( "p^2  +p sqrt(n)  - p sqrt(n) - sqrt(n) sqrt(n),,,,,,,,,,,note  +psqrtn -psqrtn =0,  typical  of  conjugates<BR>\n" );
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document.write( "p^2  - sqrt (n)^2,,,,,,note  sqrtn^2=n<BR>\n" );
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document.write( "p^2 -n<BR>\n" );
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document.write( "check<BR>\n" );
document.write( "let  n=4, p=3,,,,use  calculator  on  original  and  answer,  both  gave (5),,,ok </SPAN>\n" );
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