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$\int\frac{x^3+3x^2+x+6}{x+3}dx$
Learn how to solve integral calculus problems step by step online. Find the integral of (x^3+3x^2x+6)/(x+3). Find the integral. Divide x^3+3x^2+x+6 by x+3. Resulting polynomial. Expand the integral \int\left(x^{2}+1+\frac{3}{x+3}\right)dx into 3 integrals using the sum rule for integrals, to then solve each integral separately.