document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=48669>Question 48669</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How can you factor this expression:\r<BR>\n" );
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document.write( "(1-square root of 2+square root of 5)(1+square root of 2-square root of 5) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #32269 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=32269\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (1-square root of 2+square root of 5)(1+square root of 2-square root of 5)\r<BR>\n" );
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document.write( "(1 - (sqrt2 - sqrt5))(1 + (sqrt2 - sqrt5))<BR>\n" );
document.write( "This is the form (a-b)(a+b) which gives the form a^2-b^2\r<BR>\n" );
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document.write( "= 1-(sqrt2-sqrt5)^2\r<BR>\n" );
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document.write( "=1-[2-2sqrt10+5]\r<BR>\n" );
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document.write( "=1-7+2sqrt10\r<BR>\n" );
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document.write( "=-6+2sqrt10\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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