document.write( "Question 276204: The length of a rectangle is 6 cm less than twice its width. Find the dimensions of the rectangle if its area is 108 cm.
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Algebra.Com's Answer #201346 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! LW=108 \n" ); document.write( "L=2W-6 \n" ); document.write( "(2W-6)W=108 \n" ); document.write( "2W^2-6W=108 \n" ); document.write( "2W^2-6W-108=0 \n" ); document.write( "2(W^2-3W-54)=0 \n" ); document.write( "2(W-9)(W+6)=0 \n" ); document.write( "W-9=0 \n" ); document.write( "W=9 ANS \n" ); document.write( "L=2*9-6 \n" ); document.write( "L=18-6 \n" ); document.write( "L=12 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "9*12=108 \n" ); document.write( "108=108 \n" ); document.write( " \n" ); document.write( " |