using prodcut or quoitent rule
y=x+1/x^3+x-2
this is the question that you have asked
\(y=x+\frac{1}{x^3}+x-2\\ y=x^{-3}+2x-2\\ y=3x^{-3}+2\\ \)
I assume that you intended a different question ?? I suggest that you learn how to use brackets !!!!!
y=x+1/(x^3+x-2) !!!