document.write( "Question 146316: I do not understand how to do this problem.\r
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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. \n" );
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Algebra.Com's Answer #106850 by edjones(8007)![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |