Respuesta :

0fficialfancy
Your notation is very confusing.

If you mean to complete the square for x2 - 8x, the answer is 16, i.e. (x - 4)2 = x2 - 8x + 16.

If that is not what you mean, you will need to clarify your notation and re-submit your question.

Answer:

16

Step-by-step explanation:

From Khan Academy

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