[tex] \huge\fcolorbox{aqua}{blac}{ANSWER : } \\ \\ 2x {}^{3} - x {}^{2} + 8x - 4
[\tex]
Step-by-step explanation:
[tex](x {}^{2} + 4) \times (2x - 1) \\ \\ x {}^{2} \times 2x - x {}^{2} + 4 \times 2x - 4 \\ \\ \large\boxed{ 2x {}^{3} - x {}^{2} + 8x - 4 }[/tex]
