Find the value of the polynomial $5x -4x^2+ 3$ at $x = -\,1$.
$6$
$-6$
$5$
$4$
$p(x)=5 x-4 x^{2}+3$
$p(-1)=5(-1)-4(-1)^{2}+3$
$=-5-4(1)+3=-6$
Factorise $8 x^{3}+27 y^{3}+36 x^{2} y+54 x y^{2}$
Find $p(0)$, $p(1)$ and $p(2)$ for of the following polynomials : $p(t)=2+t+2 t^{2}-t^{3}$
Verify that $x^{3}+y^{3}+z^{3}-3 x y z=\frac{1}{2}(x+y+z)\left[(x-y)^{2}+(y-z)^{2}+(z-x)^{2}\right]$
Factorise : $2 x^{2}+7 x+3$
Check whether $-2$ and $2$ are zeroes of the polynomial $x + 2$.
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