Respuesta :

Answer:

17x² + 2x – 3

Step-by-step explanation:

(9x2 + 3x – 5) + (8x2 – x + 2) →

(9x² + 3x – 5) + (8x² – x + 2) →

[Group like terms]

(9x² + 8x²) + (3x – x) + (2 – 5) →

[Simplify]

17x² + 2x – 3