document.write( "Question 146316: I do not understand how to do this problem.\r
\n" ); document.write( "\n" ); document.write( "Swimming space. The length of a rectangular swimming pool is 2x – 1 meters, and the width is x + 2 meters. Write a polynomial that represents the area. Find the area if x is 5 meters.
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Algebra.Com's Answer #106850 by edjones(8007)\"\" \"About 
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L*w=A
\n" ); document.write( "L=2x-1
\n" ); document.write( "w=x+2
\n" ); document.write( "A=(2x-1)(x+2)
\n" ); document.write( "=2x^2+3x-2 Polynomial that represents the area. (FOIL)
\n" ); document.write( "=2*5^2 + 3*5 - 2
\n" ); document.write( "=50+15-2
\n" ); document.write( "=63 m^2 when x=5
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\n" ); document.write( "Ed
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