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If the length of each side of a square is increased by 6, the area is multiplied by 16.  Find the length of one side of the original square.

 Sep 30, 2021
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x = original

area = x * x = x^2

 

now add 6

(x+6)* (x+6) = 16 x^2

-15x^2  + 12x + 36 = 0        Quadratic Formula shows x = 2 units

 Sep 30, 2021

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