Question 657902
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Hi,
A rectangle is 2 feet wide and 3 feet long. A ={{{2ft*3ft = 6ft^2}}}
Each side is increased by the same amount{{{highlight(x)}}} 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