Find the zero of the polynomial in each of the following cases
$q(m)=0.3 m-0.15$
$2.4$
$2.6$
$0.5$
$0.8$
Factorise
$27 x^{3}-y^{3}+64 z^{3}+36 x y z$
For polynomial $p(x)=x^{3}-3 x^{2}+8 x+12$, $p(-1)=\ldots \ldots \ldots$
Expand
$(x+3)(x+8)$
Write the following cubes in expanded form
$(2 a-5 b)^{3}$
If $a+b+c=5$ and $a b+b c+c a=10,$ then prove that $a^{3}+b^{3}+c^{3}-3 a b c=-25.$
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