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- Integrate using trigonometric identities
- Integrate by partial fractions
- Integrate by substitution
- Integrate by parts
- Integrate using tabular integration
- Integrate by trigonometric substitution
- Weierstrass Substitution
- Integrate using basic integrals
- Product of Binomials with Common Term
- FOIL Method
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$\int\frac{\frac{3x-6}{x^2+21x+54}}{\frac{40x^2}{x^2+6x+9}}dx$
Learn how to solve problems step by step online. Integrate the function ((3x-6)/(x^2+21x+54))/((40x^2)/(x^2+6x+9)). Find the integral. Simplify the fraction \frac{\frac{3x-6}{x^2+21x+54}}{\frac{40x^2}{x^2+6x+9}}. Factor the trinomial \left(x^2+21x+54\right) finding two numbers that multiply to form 54 and added form 21. Thus.