document.write( "Question 960373: The length of a rectangle is 1cm greater than twice its width. The area of the rectangle is 120cm^2.
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document.write( "Find the length and width. \n" );
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Algebra.Com's Answer #586981 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! The length of a rectangle is 1cm greater than twice its width. The area of the rectangle is 120cm^2. \n" ); document.write( "Find the length and width. \n" ); document.write( "--------------- \n" ); document.write( "Area = L*W = 120 \n" ); document.write( "L = 2W + 1 \n" ); document.write( "W*(2W + 1) = 120 \n" ); document.write( "2W^2 + W -120 = 0 \n" ); document.write( "(2W - 15)*(W + 8) = 0 \n" ); document.write( "W = 7.5 \n" ); document.write( "L = 16 \n" ); document.write( " |