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$\int\left(3x^2+5x+2\right)dx$
Learn how to solve integral calculus problems step by step online. Find the integral of 3x^2+5x+2. Find the integral. Expand the integral \int\left(3x^2+5x+2\right)dx into 3 integrals using the sum rule for integrals, to then solve each integral separately. The integral \int3x^2dx results in: x^{3}. The integral \int5xdx results in: \frac{5}{2}x^2.