document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=202375>Question 202375</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780395977224/algebrahomeworkh>Algebra Structure and Method</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I am not sure which answer is right Express in simplest radical form text said to not use calculator. (sqrt2 - 3)(sqrt2 + 3) I get (-1.59)(-1.59) or is the answer sqrt4 = 2<BR>\n" );
document.write( "And (sqrt3 - sqrt5)(sqrt3 - sqrt 5) don't they just cancel each other out to = 1\r<BR>\n" );
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document.write( "Thanks for any help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #152614 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=152614\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  I am not sure which answer is right Express in simplest radical form text said to not use calculator. (sqrt2 - 3)(sqrt2 + 3) <BR>\n" );
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document.write( "Your problem follows the form (a-b)(a+b) = a^2-b^2<BR>\n" );
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document.write( "Your product is (sqrt(2))^2 - 3^2 = 2 - 9 = -7<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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