document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=118081>Question 118081</A>: <I><SPAN STYLE=\"word-break: break-all;\"> pg. 261<BR>\n" );
document.write( "94) Swimming space. The length of a rectangular swimming pool is 2x - 1 meters, and the width is x + 2 meters. Write a polnomial that represents the area. Find the area if x is 5 meters.<BR>\n" );
document.write( "answer: 2x^2+3x-2sq. m. 63 sq. m.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #86155 by </B><A HREF=/tutors/aboutme.mpl?userid=ilana><B>ilana(307)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ilana><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=86155\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I am guessing you are just checking, so yep, nice work!:)<BR>\n" );
document.write( "On the off chance that you want to know how the book got that answer, for the area of a rectangle you just multiply length times width, so they multiplied using the FOIL method and then plugged in x=5.\r<BR>\n" );
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document.write( "I'll complete this one so you can see how it works.<BR>\n" );
document.write( "We need to multiply length times width to get the area.<BR>\n" );
document.write( "(2x-1)(x+2)<BR>\n" );
document.write( "Use FOIL: First, Outside, Inside, Last<BR>\n" );
document.write( "(2x)*(x) + (2x)*(2) + (-1)*(x) + (-1)*(2)<BR>\n" );
document.write( "2x^2 + 4x + -1x + -2<BR>\n" );
document.write( "2x^2 + 3x - 2<BR>\n" );
document.write( "If x=5, this is 2*(5)^2 + 3*(5) - 2 = 2*25 + 15 - 2 = 65 - 2 = 63<BR>\n" );
document.write( "Since this is area and we started with meters on both sides, we end up with square meters. </SPAN>\n" );
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