Respuesta :

(x + 7)(x + 7)

x^2 + 14x + 49

14x is your answer

hope this helps

The expression so it forms a perfect square trinomial is 14x.

We have given that,

The expression so it forms a perfect-square trinomial.

We have to determine the  x² +___ x + 49.

What is the factor?

A divisor of an integer n also called a factor of n, is an integer m that may be multiplied by some integer to produce n.

In this case, one also says that n is a multiple of m.

(x + 7)(x + 7)

x^2 + 14x + 49

The expression so it forms a perfect square trinomial is 14x.

To learn more about the perfect square visit:

https://brainly.com/question/1538726

#SPJ2

ACCESS MORE