SOLUTION: A rectangle is 2 feet wide and 3 feet long. Each side is increased by the same amount to give a rectangle with twice the area of the original one. Find the dimensions of the new re

Question 657902: A rectangle is 2 feet wide and 3 feet long. Each side is increased by the same amount to give a rectangle with twice the area of the original one. Find the dimensions of the new rectangle. (Hint: Let x feet be the amount by which each side is increased.)
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

A rectangle is 2 feet wide and 3 feet long. A =

Each side is increased by the same amount to give a rectangle with twice the area of the original one.

Question states***

 (x+2)(x+3) = 12

 x^2 + 5x + 6 = 12

 x^2 + 5x - 6 = 0

(x + 6) = 0

  (x-1) = 0

     x = 1  (throwing out negative solution for unit measurement)

New rectangle is 3ft by 4ft

          

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