Write the following cubes in expanded form

$(2 x+7)^{3}$

Divide $p(x)=21+10 x+x^{2}$ by $g(x)=2+x$ and find the quotient and the remainder.

The coefficient of $x$ in the expansion of $(x+3)^{3}$ is

Determine the degree of each of the following polynomials:

$x^{3}-9 x+3 x^{5}$

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

Write the degree of each of the following polynomials

$x^{8}-6561$