The other factor is 1.
8a + 1 is in its simplest form and does not factor.
(2a+1)(a+1)
You can't factor it
It can be. x^2 + x + 1 is a factor of 2x^2 + 2x + 2
1
-((4x + 1)(x - 1))
a(a^2 + 1)
4(x + 1)(x + 1)
(2x + 1)(2x + 1) or (2x + 1)2
(a+b)(3b+1)
It is: (a+1)(a+3) when factored