Respuesta :

Answer:

- 8

Step-by-step explanation:

Answer:

-8

Step-by-step explanation:

3x(x+x)−6x^2+2^2−12

=6x^2+−6x^2+4+−12

Combine Like Terms:

=6x^2+−6x^2+4+−12

=(6x^2+−6^2)+(4+−12)

=−8