Factorise the following quadratic polynomials by splitting the middle term
$x^{2}-4 x-77$
If $\frac{x}{y}+\frac{y}{x}=-1(x, y \neq 0),$ the value of $x^{3}-y^{3}$ is
Expand
$(3 a-4)^{2}$
Write whether the statement are True or False. Justify your answer.
Every polynomial is a binomial
From the following polynomials find out which of them has $(x-1)$ as a factor
$2 x^{3}+5 x^{2}-x-6$