Question

ADD:

3+5y- 4y² +7y³, -7+2y+3y³,5-6y-9y³ +2y²​

Answer 1

Answer:

9+y-2y^2+y^3

Step-by-step explanation:

3+5y-4y^2+7y^3

-7+2y +3y^3

+5-6y +2y^2-9y^3

_______________

9+y-2y^2+y^3

Answer 2

Answer:

ur answer

I wanna ask something

how u give those multiple thanks

please say........