Question Number 210871 by hardmath last updated on 20/Aug/24
$$\mathrm{7}\left(\mathrm{x}−\mathrm{2}\right)\left(\sqrt{\mathrm{10}\:+\:\mathrm{x}}\:−\:\sqrt[{\mathrm{3}}]{\mathrm{7}−\mathrm{x}}\right)−\mathrm{15x}\:+\:\mathrm{6}\:=\:\mathrm{0} \\ $$$$\boldsymbol{\mathrm{x}}\:=\:? \\ $$
Commented by Ghisom last updated on 20/Aug/24
$$\mathrm{obviously}\:{x}=−\mathrm{1} \\ $$