Question Number 196358 by mathlove last updated on 23/Aug/23
Commented by mathlove last updated on 23/Aug/23
$${m}=? \\ $$
Commented by mahdipoor last updated on 23/Aug/23
$${f}^{'} \left(\mathrm{0}\right)=\mathrm{0}\Rightarrow\mathrm{2}{x}−\left({m}+\mathrm{3}\right)=\mathrm{0}\Rightarrow{m}=−\mathrm{3} \\ $$