Factorise and simplest forms y= 3x^3 +2 ?

To factorise the expression y = 3x^3 + 2, we can't simplify it any further as it is already in its simplest form.

Therefore, the factorised form of y = 3x^3 + 2 is y = 3x^3 + 2.

$$y=3x^3-2$$

$$=3x^3-1\times2$$

$$=3x^3-1^3$$

$$=(3x-1)(x^2+3x+1)$$