Respuesta :

Answer:

15 x ^6 − 20 x ^5 + 10 x ^4

Step-by-step explanation:

Answer:

15x^6 - 20x^5 + 10x^4

Step-by-step explanation:

−5x^4(−3x^2+4x−2)

15x^6 - 20x^5 + 10x^4