Respuesta :

kjhuff68

Answer:

2c^2 + 4

Step-by-step explanation:

2c^2 + 4 + 9 - 9   <- simplify

                              4 + 9 = 13, 13 - 9 = 4

2c^2 + 4

Hope this helps :)

(The ^ shows that it's an exponent)