Respuesta :

rainbow786

Answer:

8 or 40

Step-by-step explanation:

is x=2

4+(4×2-4)

4+(8-4)

4+4

8

if x=10

4+(4×10-4)

4+(40-4)

4+36

40

byuhl

Answer :

B.) x = 10

Step-by-step explanation:

x = 4+ (4x-4)^1/2

x = 4+ (4(10)-4)^1/2

x = 4+ (40-4)^1/2

x = 4+ (36)^1/2

x = 4+6

x = 10

Hope this helps out ! :)