Question

what value in place of the question mark makes the polynomial below a perfect square trinomial
16x^2+?x+36

Answer 1

Any ideas?

Answer 2

$$\Huge 16x^2+?x+36$$
$$\Huge a^2 +2ab+b^2 = (a+b)^2$$

Answer 3

$$\Huge (4x)^2+?x+6^2$$

Answer 4

thats correct but what is the question mark

Answer 5

that is left for you to figure out :-)