If $(2 x+3)(3 x-1)=6 x^{2}+k x-3,$ then find $k$.

Find the zero of the polynomial in each of the following cases

$q(y)=\pi y+3.14$

If $x+3$ is a factor of $x^{3}+12 x^{2}+a x+60$ then $a=\ldots \ldots \ldots$

State whether each of the following statements is true or false

$x^{2}-5 x+4$ is a linear polynomial.

Write the degree of the following polynomials

$5$

Factorise $: 4 x^{2}+4 x y-3 y^{2}$