Question

2y³ + y² - 2y - 1 ÷ (y+1)​

Answer 1

Step-by-step explanation:

[y^2(2y+1)-1(2y+1)]/(y+1)

=(2y+1)(y-1)(y+1)/(y+1)

=(2y+1)(y-1)

=2y^2-2y+y-1

=2y^2-y+1