Answer:
[tex]-2x^3+\frac{256}{5}[/tex]
Step-by-step explanation:
We need to simplify this expression.
[tex]-x^3+\frac{1}{5}-x^3+51[/tex]
We add similar terms :
[tex]-2x^3+\frac{1+5*51}{5}[/tex]
Simplify :
