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$\int\left(9-x^2\right)dx$
Learn how to solve integral calculus problems step by step online. Factor the expression 9-x^2. Find the integral. Expand the integral \int\left(9-x^2\right)dx into 2 integrals using the sum rule for integrals, to then solve each integral separately. The integral \int9dx results in: 9x. The integral \int-x^2dx results in: \frac{-x^{3}}{3}.