Factorise
$8 x^{3}+125 y^{3}+343-210 x y$
$(2 x+5 y+7)\left(4 x^{2}+25 y^{2}+49-10 x y\right.$$-35 y-14 x)$
Find the value of
$x^{3}+y^{3}-12 x y+64,$ when $x+y=-4$
Find the quotient and the remainder when $x^{3}+x^{2}-10 x+8$ is divided by
$x-1$
Classify the following as a constant, linear,quadratic and cubic polynomials:
$t^{2}$
The coefficient of $x$ in the expansion of $(x+3)^{3}$ is
Factorise :
$3 x^{3}-x^{2}-3 x+1$
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