Answer:

REFER TO THE ATTACHMENT

Step-by-step explanation:

[tex]2y³+y²-2y-1 \: factories[/tex]

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

Step-by-step explanation:

[tex]2y³+y²-2y-1 [/tex]

[tex]y²(2y + 1)-1(2y+1)[/tex]

[tex](y²-1)(2y+1)[/tex]

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