Hi,  

twice a number increased by 35 is equal to the square of the number

Question states***

  2x + 35 = x^2

   x^2 - 2x - 35 = 0

factoring

 (x-7)(x+5) = 0

   (x-7)= 0, x = 7

0r (x+5) = 0 x = -5

and..



  

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