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Expand the integral $\int_{-1}^{2}\left(x-1\right)dx$ into $2$ integrals using the sum rule for integrals, to then solve each integral separately
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$\int_{-1}^{2} xdx+\int_{-1}^{2}-1dx$
Learn how to solve problems step by step online. Integrate the function x-1 from -1 to 2. Expand the integral \int_{-1}^{2}\left(x-1\right)dx into 2 integrals using the sum rule for integrals, to then solve each integral separately. The integral \int_{-1}^{2} xdx results in: \frac{3}{2}. The integral \int_{-1}^{2}-1dx results in: -3. Gather the results of all integrals.