Find the zeroes of the polynomial in each of the following:

$g(x)=3-6 x$

Factorise :

$1+64 x^{3}$

Expand

$\left(x-\frac{1}{2}\right)^{2}$

Factorise each of the following

$27 x^{3}-64-108 x^{2}+144 x$

Find the quotient and the remainder when $2 x^{2}-7 x-15$ is divided by

$x+1$

If $p(x)=x+3,$ then $p(x)+p(-x)$ is equal to