Find the following product :
$(2 x-y+3 z)\left(4 x^{2}+y^{2}+9 z^{2}+2 x y+3 y z-6 x z\right)$
Classify the following as linear, quadratic or cubic polynomial
$35 x^{2}-16 x-12$
Find the zeroes of the polynomial in each of the following:
$q(x)=2 x-7$
Find the value of the polynomial $x^{2}-7 x+12$ at.
$x=3$
Expand
$(x+4)(x+9)$