The degree of polynomial $7 x^{5}-4 x^{4}+2\left(x^{3}\right)^{2}-x^{2}+35$ is $\ldots \ldots \ldots$
$8$
$4$
$6$
$2$
Write the coefficients of $x^{2}$ in each of the following polynomials
$3 x^{3}-8 x^{2}+14 x-5$
Find the value of
$x^{3}-8 y^{3}-36 x y-216,$ when $x=2 y+6$
Give possible expression for the length of a square whose area is $\left(9 x^{2}+30 x+25\right)$ square units. $(x>0)$
Expand the following:
$(3 a-5 b-c)^{2}$
The zero of polynomial $5 x-10$ is............