Respuesta :

mathstudent55

Answer:

x³ + 2x² - 3x + 6

Step-by-step explanation:

(4x³ + 2x² - x + 1) - (3x³ + 2x - 5) =

= 4x³ + 2x² - x + 1 - 3x³ - 2x + 5

= x³ + 2x² - 3x + 6