** Final answer to the problem

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** Step-by-step Solution **

** How should I solve this problem?

- Choose an option
- Integrate by partial fractions
- Product of Binomials with Common Term
- FOIL Method
- Integrate by substitution
- Integrate by parts
- Integrate using tabular integration
- Integrate by trigonometric substitution
- Weierstrass Substitution
- Prove from LHS (left-hand side)
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Multiply $1$ times $-4$

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Apply the formula: $classify\left(x\right)$=polynomial, where $x=x^2-x^3+1-4x$

** Final answer to the problem

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