Respuesta :

Answer:

6. 3x^3-7x^2+4x-1

7. -6x^4-2x^2+6x+10

8. 42x^4

Step-by-step explanation:

Answer:

6. 3x^3-7x^2+4x-1

7. -6x^4-2x^2+6x+10

Step-by-step explanation: