Respuesta :

Answer: = y^4-3y^3+6y

Step-by-step explanation:

Subtract 3y^4 from 4y^4.

=y^4-8y^3+5y^3+6y

Add -8y^3 and 5y^3.

=y^4-3y^3+6y

*Remember you can only add or subtract like terms*

Good evening ,

______

Answer:

= y⁴ - 13y³ -6y

___________________

Step-by-step explanation:

Look at the photo below for the answer.

:)

Ver imagen profarouk