Expand
$(x+3)(x+8)$
$=(x)^{2}+(3+8) x+(3)(8)$
$=x^{2}+11 x+24$
The coefficient of $x$ in the expansion of $(x+3)^{3}$ is
Classify the following as linear, quadratic or cubic polynomial
$5-3 t$
Factorise $: x^{3}-x^{2}-17 x-15$
Factorise the following:
$9 y^{2}-66 y z+121 z^{2}$
Factorise each of the following
$27 x^{3}-8 y^{3}-54 x^{2} y+36 x y^{2}$
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