Question Number 160768 by cortano last updated on 06/Dec/21
$$\:\:\mathrm{x}^{\mathrm{3}} −\mathrm{3x}−\mathrm{18}\:=\:\mathrm{0}\: \\ $$$$\:\mathrm{x}\in\mathbb{R}\:,\:\mathrm{x}=? \\ $$
Commented by yeti123 last updated on 06/Dec/21
$${x}\:=\:\mathrm{3} \\ $$