document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=624190>Question 624190</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (21+r)^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #392564 by </B><A HREF=/tutors/aboutme.mpl?userid=lenny460><B>lenny460(1073)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lenny460><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/cgi-bin/show-face.mpl?user=lenny460><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=392564\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (21 + r)^2\r<BR>\n" );
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document.write( "(21 + r)(21 + r)\r<BR>\n" );
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document.write( "21 * 21 = 441\r<BR>\n" );
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document.write( "21 * r = 21r\r<BR>\n" );
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document.write( "r * 21 = 21r\r<BR>\n" );
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document.write( "r * r = r^2\r<BR>\n" );
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document.write( "441 + 21r + 21 r + r^2\r<BR>\n" );
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document.write( "Combine like terms:\r<BR>\n" );
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document.write( "21r + 21r = 42r\r<BR>\n" );
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document.write( "The Answer:\r<BR>\n" );
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document.write( "441 + 42r + r^2\r<BR>\n" );
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document.write( "obuong3@aol.com </SPAN>\n" );
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