SOLUTION: p-2the square root of p then =8 the answer should be 16. i cleared the p and got rid of the -2 and ended up with 2p=64-16p+p^2. i ended up with p=9+sqrt17, p=9-sqrt17. it says to

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Question 636066: p-2the square root of p then =8 the answer should be 16. i cleared the p and got rid of the -2 and ended up with 2p=64-16p+p^2.
i ended up with p=9+sqrt17, p=9-sqrt17. it says to check the answer it is supposed to ended up with one answer.
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi,



let x^2 = p



(x-4)(x+2) = 0

  x = 4  ⇒   p =  x^2 = 16   and...

Note: x = -2( p = 4) is an extraneous solution  as  4 -4 - 8 ≠ 0   

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