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

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Question 651360: twice a number increased by 35 is equal to the square of the number
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,  

twice a numberhighlight%28x%29 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..

2%2A7+%2B35+=+7%5E2+=+49

 2%2A-5+%2B+35+=+%28-5%29%5E2+=++25