document.write( "Question 1057178: A rectangle is drawn so that the width is 5 feet shorter than the length. The area of the rectangle is 36 square feet. Find the length of the rectangle. \n" ); document.write( "
Algebra.Com's Answer #672249 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Make length = x \n" ); document.write( "width = x - 5 \n" ); document.write( "Area = length x width \n" ); document.write( "36 = x(x - 5) \n" ); document.write( "36 = x^2 - 5x \n" ); document.write( "x^2 - 5x - 36 = 0 \n" ); document.write( "(x - 9)(x + 4) = 0 \n" ); document.write( "x + 4 = 0 \n" ); document.write( "x = -4 disregard as -ve \n" ); document.write( "x - 9 = 0 \n" ); document.write( "x = 9 \n" ); document.write( "Length = 9 feet \n" ); document.write( "Width 4 feet \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |