Write the degree of the following polynomials

$7 x^{3}-9 x^{2}+4 x-22$

Find $p(-2)$ for the polynomial $p(x)=5 x^{2}-11 x+3$

Factorise :

$2 \sqrt{2} a^{3}+8 b^{3}-27 c^{3}+18 \sqrt{2} a b c$

Factorise the following quadratic polynomials by splitting the middle term

$x^{2}-3 x-40$

Find the value of the polynomial $x^{2}-7 x+12$ at.

$x=4$

Factorise each of the following

$64 x^{3}+125 y^{3}+240 x^{2} y+300 x y^{2}$