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document.write( "The length of a rectangular banner is 2 feet longer than its width. If the area is 80 square feet, find the dimensions. \n" );
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Algebra.Com's Answer #441928 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! AREA=LW \n" ); document.write( "L=W+2 \n" ); document.write( "80=(W+2)W \n" ); document.write( "80=W^2+2 \n" ); document.write( "W^2+2-80=0 \n" ); document.write( "(W+10)(W-8)=0 \n" ); document.write( "W-8=0 \n" ); document.write( "W=8 FEET FOR THE WIDTH. \n" ); document.write( "L=8+2=10 FEET FOR THE LENGTH. \n" ); document.write( "PROOF: \n" ); document.write( "80=10*8 \n" ); document.write( "80=80 \n" ); document.write( " |