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$\int\left(5+2x\right)\left(5-9x\right)dx$
Learn how to solve integral calculus problems step by step online. Integrate the function (5+2x)(5-9x). Find the integral. Rewrite the integrand \left(5+2x\right)\left(5-9x\right) in expanded form. Expand the integral \int\left(25-35x-18x^2\right)dx into 3 integrals using the sum rule for integrals, to then solve each integral separately. The integral \int25dx results in: 25x.