Respuesta :

gmany

Answer:

[tex]\large\boxed{(-2z^2-14)-(-12z^2)=10z^2-14}[/tex]

Step-by-step explanation:

[tex](-2z^2-14)-(-12z^2)=-2z^2-14+12z^2\qquad\text{combine like terms}\\\\=(-2z^2+12z^2)-14=10z^2-14[/tex]