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$\int\left(2x-x^2+3\right)dx$
Learn how to solve problems step by step online. Find the integral of 2x-x^2+3. Find the integral. Expand the integral \int\left(2x-x^2+3\right)dx into 3 integrals using the sum rule for integrals, to then solve each integral separately. The integral \int2xdx results in: x^2. The integral \int-x^2dx results in: \frac{-x^{3}}{3}.