Respuesta :

Flametail63

Answer:

10x^2 + 12x + 14

Step-by-step explanation:

Combine like terms: 2x^2 + 8x^2 = 10x^2 , 9x + 3x = 12x , 12 + 2 = 14

In total: 10x^2 + 12x + 14

Answer:

10x^2+12x+14

Step-by-step explanation:

add up the +_x^2

add up the +_x

add up the +_

combine