Respuesta :

rdacoder

Answer: [tex]3x^2+x-9[/tex]

Step-by-step explanation:

f(x) + g(x)

Given: f(x) = -3 and g(x) = 3x^2+x-6

[tex]-3+3x^2+x-6[/tex]

Final answer:

[tex]3x^2+x-9[/tex]