document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=688283>Question 688283</A>: <I><SPAN STYLE=\"word-break: break-all;\">  a4 + 1 \r<BR>\n" );
document.write( "\n" );
document.write( "A. (a2 + 1)2 <BR>\n" );
document.write( "B. (a2 - 1)(a2 - 1) <BR>\n" );
document.write( "C. a2(a2 + 1) <BR>\n" );
document.write( "D. (a2 + 1)(a2 - 1) <BR>\n" );
document.write( "E.  a2 (a + 1)2 <BR>\n" );
document.write( "F. cannot be factored \r<BR>\n" );
document.write( "\n" );
document.write( "show your work if possible </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #425564 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=425564\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a sum of squares, which cannot be factored. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );