document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=754477>Question 754477</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A circular pool is surrounded by a circular walkway.  The radius of the pool is x-6 and the radius of the walkway is x+6.  Write a polynomial that represents the area of the walkway. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #459123 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=459123\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A circular pool is surrounded by a circular walkway. The radius of the pool is x-6 and the radius of the walkway is x+6. Write a polynomial that represents the area of the walkway.<BR>\n" );
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document.write( "Area of walkway=area of pool and walkway-area of pool<BR>\n" );
document.write( "Area of a circle=&#960; radius^2<BR>\n" );
document.write( "Area of walkway<BR>\n" );
document.write( "=&#960;(x+6)^2-&#960;(x-6)^2<BR>\n" );
document.write( "=&#960;[(x+6)^2-(x-6)^2]<BR>\n" );
document.write( "=&#960;[x^2+12x+36-x^2+12x-36]<BR>\n" );
document.write( "=24&#960;x<BR>\n" );
document.write( "area of the walkway=24&#960;x </SPAN>\n" );
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