document.write( "Question 155724: If anyone can help me...
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document.write( "The width of a rectangle is 4ft. less than the length. The area is 5ft^2. Find the length and the width.\r
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document.write( "How do I do this? \n" );
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Algebra.Com's Answer #114754 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! W=L-4 \n" ); document.write( "AREA=L*W \n" ); document.write( "5=L(L-4) \n" ); document.write( "5=L^2-4L \n" ); document.write( "L^2-4L-5=0 \n" ); document.write( "(L-5)(L+1)=0 \n" ); document.write( "L-5=0 \n" ); document.write( "L=5 FOR THE LENGTH \n" ); document.write( "5-4=1 FOR THE WIDTH. \n" ); document.write( "pROOF: \n" ); document.write( "5=5*1 \n" ); document.write( "5=5 \n" ); document.write( " \n" ); document.write( " |