Respuesta :

Answer:

Step-by-step explanation:

To calculate the value of x^2 - x when x = -3, we substitute -3 into the expression:

x^2 - x = (-3)^2 - (-3)

Simplifying further:

= 9 + 3

= 12

Therefore, when x = -3, the value of x^2 - x is 12.