Final Answer
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Simplify the expression inside the integral
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$\int x^2dx+\int3dx$
Learn how to solve integral calculus problems step by step online. Find the integral int(xx+3)dx. Simplify the expression inside the integral. The integral \int x^2dx results in: \frac{x^{3}}{3}. The integral \int3dx results in: 3x. Gather the results of all integrals.