Respuesta :

Answer:

b, 17x^2 is correct, it's the term that contains an error.

Step-by-step explanation:

(x+7)(2x^2-3x-4)

Distribute x and 7:

2x^3-3x^2-4x+14x^2-21x-28

Combine like terms:

2x^3+11x^2-25x-28

Compare that to:

2x^3+17x^2-25x-28

The difference is 11x^2 vs 17x^2

Hope this helps! Please mark brainliest :)