Respuesta :

Mibo

Answer:

Step-by-step explanation:

Putting values of x y and z in the expression

2(1) - [(1)(4) + 1]2 - (-2)

2 - (4+1)2 + 2

2 - (5)2 + 2

2 - 25 + 2

-23 + 2

-21

Answer:

-21

Step-by-step explanation: