Respuesta :

[tex]2a^3+a^2+2a+1[/tex]

1. Factor a²: use just the first two terms of the equation:

[tex]a^2(2a+1)+2a+1[/tex]

2. Factor (2a+1):

[tex](2a+1)(a^2+1)[/tex]

You can write those factors also as: option 4

[tex](a^2+1)(2a+1)[/tex]