Answer:
[tex]{x}^{3} - 4x - 12[/tex]
Step-by-step explanation:
[tex] {x}^{3} + 6 \times 2 - 4x - 24[/tex]
[tex] = {x}^{3} + 12 - 4x - 24[/tex]
[tex] = {x}^{3} - 4x + 12 - 24[/tex]
[tex] = {x}^{3} - 4x - 12[/tex]