e-following-denominators-is-already-fully-factored-irreducible-over-the-integers

Question

Which of the following denominators is already fully factored and is irreducible over the integer values?

Accepted Answer

x+5x + 5

Answer

4x2−$$14x^2 - 1$$

Answer

$$x2+7x+10x^2 + 7x + 10$$

Answer

2x(x+3)2x(x + 3)