SOLUTION: the length of a swimming pool is 8m longer than its width and the area is 105 meter square.

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Question 881573: the length of a swimming pool is 8m longer than its width and the area is 105 meter square.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

     .

A = Lw

  = (w+8)w = 105

    w^2 + 8w -105 = 0  (Tossing out the negative solution for unit measure)

    (w+15)(w-7) = 0,  w = 7m  and L = 15m