Answer:
[tex]\boxed{-14g^2 - 8}[/tex]
Step-by-step explanation:
[tex]-5g^2 + (-9g^2 - 8)[/tex]
[tex]= - 5g^2 - 9g^2 - 8[/tex]
[tex]= -14g^2 - 8[/tex]
