If $x-2$ is a factor of $x^{3}-3 x^{2}+a x+24$ then $a=\ldots \ldots \ldots$

If $p(3)=0$ for polynomial $p(x),$ state one factor of $p(x)$

Factorise

$16 x^{4}-y^{4}$

Evaluate the following using suitable identities

$(107)^{2}$

Expand

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

Classify the following as linear, quadratic or cubic polynomial

$x^{2}-9 x+14$