Find the zero of the polynomial in each of the following cases
$p(x)=3 x-4$
From the following polynomials find out which of them has $(x+1)$ as a factor
$x^{3}+10 x^{2}+23 x+14$
Factorise
$x^{3}+8 x^{2}+9 x-18$
If $x+y=12$ and $x y=27,$ find the value of $x^{3}+y^{3}$
Evaluate
$205 \times 195$