For polynomial $p(x)=x^{3}-3 x^{2}+8 x+12$, $p(-1)=\ldots \ldots \ldots$
$1$
$0$
$2$
$3$
……….is one of the zeros of the polynomial $x^{3}-3 x^{2}-5 x+15$
Multiply $x^{2}+4 y^{2}+z^{2}+2 x y+x z-2 y z$ by $(-z+x-2 y)$
Factorise the following quadratic polynomials by splitting the middle term
$6 x^{2}+7 x-20$
Evaluate
$77 \times 83$
Factorise each of the following
$8 x^{3}+27 y^{3}+36 x^{2} y+54 x y^{2}$
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