Respuesta :

Answer:

(y + 1)(2y - 1) = 0

Step-by-step explanation:

Using the Method of Decomposition:

[tex]2y^{2} +2y -y-1=0[/tex]

[tex]2y(y+1)-1(y+1)=0\\(2y-1)(y+1)=0[/tex]