Question

In the polynomial below, what number should replace the question mark to

produce a difference of squares?

X^2 + ?х-36

A. 0
B. 36
C. 6
D. 12

Answer 1

C: 6

Explanation:

Let's work backward. If that ? is replaced by 6, we have:

x^2 + 12x + 36 = (x + 6)^2.

The coefficient in question is 6.

Answer 2

The correct answer for me is A.0

Explanation: