..........is one of the zeros of the polynomial $x^{3}-3 x^{2}-5 x+15$
$5$
$-5$
$3$
$-3$
$(5 x+3)(5 x-3)=\ldots \ldots . .$
Find the quotient and the remainder when $2 x^{2}-7 x-15$ is divided by
$2 x-3$
The following expressions are polynomials? Justify your answer:
$8$
Evaluate the following products without multiplying directly
$103 \times 105$
Factorise :
$84-2 r-2 r^{2}$