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$\int\left(x-\frac{2}{5}\right)\left(x+\frac{2}{5}\right)dx$
Learn how to solve integral calculus problems step by step online. Find the integral of (x-2/5)(x+2/5). Find the integral. Rewrite the integrand \left(x-\frac{2}{5}\right)\left(x+\frac{2}{5}\right) in expanded form. Expand the integral \int\left(x^2-\frac{4}{25}\right)dx into 2 integrals using the sum rule for integrals, to then solve each integral separately. The integral \int x^2dx results in: \frac{x^{3}}{3}.