What number should be added to the expression x^2 + 4x to change it into a perfect square trinomial

choose all correct answers

4

1

8

2

4

Step-by-step explanation:

given

x² + 4x

To change it into a perfect square

add (half the coefficient of the x- term)² to x² + 4x

x² + 4x + ()²

= x² + 4x + 2² = x² + 4x + 4

and x² + 4x + 4 = (x + 2)² ← a perfect square

ok so the answer to your question is simple as long as you look at the different dimensions that contain the exemplary letters that combined in the right order give you words that eventually within the 5th dimension will conform and give you the correct answer to your question. hope i , stop looking at this easily, look at it with a spectral view.

step-by-step explanation:

told you

step-by-step explanation: