Question

Which of the following values "completes the square," or creates a perfect square trinomial, for x2 − 12x + ___?

A. -6
B. 12
C. 36
D. -36


*Will someone please help me work through this problem?

Answer 1

36
the complete square is (x-6)^2

Answer 2

36 is the correct answer.

12x is the middle number.

12/2 = 6

6^2 = 36