Respuesta :
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