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

$p(t)=7 t-21$

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

$p(x)=\frac{2}{3} x+\frac{5}{4}$

With the help of the remainder theorem, find the remainder when the polynomial $x^{3}+x^{2}-26 x+24$ is divided by each of the following divisors

$x-1$

Using suitable identity, evaluate the following:

$103^{3}$

Expand

$(11 x+18)(11 x-18)$