Which value is needed to create a perfect square trinomial
from the expression x2 + 8x + ?

16

Step-by-step explanation:

To complete the square

add ( half the coefficient of the x- term )²

x² + 2(4)x + 4²

= x² + 8x + 16 = (x + 4)² ← perfect square

the answer to this would be 16

45

step-by-step explanation:

6x = 48

i hope this . 6 cards each and a total of $48. dvide each side by 6 and you will have your answer.