Need help wit dis question

i don't have the answer rn but go to math papa. it shows the steps and the answer. hope this : )

step-by-step explanation:

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square