Respuesta :

fnej

Answer:

-8x² - 9x + 9

Step-by-step explanation:

(2x² - 5x + 1) - (10x² + 4x - 8)

2x² - 5x + 1 - 10x² - 4x + 8

2x² - 10x² - 5x - 4x + 1 + 8

-8x² - 9x + 9