find the second derivative of x^2 y^2 -16x = 8

it's an online test, and i feel as if i have the right answer, but i might have it in the wrong format for the computer. can someone help me so i can double check?

Question

find the second derivative of x^2 y^2 -16x = 8

it's an online test, and i feel as if i have the right answer, but i might have it in the wrong format for the computer. can someone help me so i can double check?

anonymous · Answer

is there a plus or minus next to the $$y^{2}$$?

anonymous · Answer

http://imgur.com/BYdz3

anonymous · Answer

soo this is implicit differentiation yes?

anonymous · Answer

yes

anonymous · Answer

have you taken the first derivative?

anonymous · Answer

yes i have. i just get lost somewhere in the second derivative

anonymous · Answer

whats ur first deriv?

anonymous · Answer

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