Find the zero of the polynomial : $p(x) = 3x$
$3$
$0$
$-3$
$0.3$
Expand each of the following, using suitable identities : $(-2 x+5 y-3 z)^{2}$
Use suitable identities to find the products : $(3 x+4)(3 x-5)$
Find the value of each of the following polynomials at the indicated value of variables : $p(x)=5 x^{2}-3 x+7$ at $x=1$.
Find the value of the polynomial $5x -4x^2+ 3$ at $x = 2$.
Factorise $: 8 x^{3}+y^{3}+27 z^{3}-18 x y z$