Minimize	$f\left(\overrightarrow{x}\right)=x_1^2{x}_2(x_3+2),$
Subject to:	$\left\{\begin{array}{c}\begin{array}{c}{g}_1\left(\overrightarrow{x}\right)=1-{\displaystyle \frac{x_2^3{x}_3}{71785x_1^4}}\le 0\\ g_2\left(\overrightarrow{x}\right)={\displaystyle \frac{4x_2^2-x_1{x}_2}{12566(x_2{x}_1^3-x_1^4)}}+{\displaystyle \frac{1}{5108x_1^2}}-1\le 0\end{array}\\ \begin{array}{c}{g}_3\left(\overrightarrow{x}\right)=1-{\displaystyle \frac{140.45x_1}{x_2^2{x}_3}}\le 0\\ g_4\left(\overrightarrow{x}\right)={\displaystyle \frac{x_1+x_2}{1.5}}-1\le 0\end{array}\end{array}\right.$	(25)
Variable range:	$\left\{\begin{array}{c}0.05\le x_1\le 2.0\\ 0.25\le x_2\le 1.3\\ 2.00\le x_3\le 15.0\end{array}\right.,$