document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1034570>Question 1034570</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which expressions are differences of squares?\r<BR>\n" );
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document.write( "x^2+25<BR>\n" );
document.write( "a^2-36<BR>\n" );
document.write( "n^2-50<BR>\n" );
document.write( "w^2-121 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #649224 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=649224\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2+25 is not a difference of squares because it's really a sum of squares.\r<BR>\n" );
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document.write( "a^2-36 is a difference of squares. We are subtracting a^2 and 6^2 which are both squares.\r<BR>\n" );
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document.write( "n^2-50 is not a difference of squares. n^2 is a square but 50 is not since no whole number squared is equal to 50.\r<BR>\n" );
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document.write( "w^2-121  is a difference of squares. We are subtracting w^2 and 11^2 which are both squares.\r<BR>\n" );
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document.write( "Answer: a^2-36 and w^2-121 are differences of squares expressions. The other expressions are not differences of squares.  </SPAN>\n" );
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