Find the zero of the polynomial $p(x)=5 x-8$.

One of the factors of $(25 x^{2}-1)+(1+5 x)^{2}$ is

Factorise the following quadratic polynomial by splitting the middle term:
$15x^2 + 7x - 2$

Classify the following as a linear,quadratic,or cubic polynomial:
$5 - 3t$

Which of the following expressions is a polynomial? State the reason. If an expression is a polynomial,state whether it is a polynomial in one variable or not: $x^{2}+y^{2}+z^{2}+2xy+2yz+2zx$

Find the quotient and the remainder when $x^{3}+x^{2}-10x+8$ is divided by $x-2$.