[tex]2 {x}^{2} 4x = 16 \\ 2 {x}^{2} \times 4x = 16 \\ 8 {x}^{2} \times x = 16 \\ 8 {x}^{3} = 16 \\ {x}^{3} = 16 \div 8 \\ {x}^{3} = 2 \\ x = \sqrt[3]{2 } \\ x = 1.259[/tex]
