SOLUTION: 6 inches in length less than twicethe width. If area of the rectangle is 108 sq in, determine the dimension of the rectrangle

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Question 874796: 6 inches in length less than twicethe width. If area of the rectangle is 108 sq in, determine the dimension of the rectrangle
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi, Previously answered as corrected



A = Lw = (2w-6)w = 108 in^2

  2w^2 - 6w - 108 = 0

   w^2 -3w - 54 = 0

  (w+6)(w-9)= 0, w = 9in and L = 12in 2%2A9+-+6

Tossing out negative solution for Unit measure