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$\int\left(x+4\right)\left(x+9\right)\left(x+1\right)dx$
Learn how to solve problems step by step online. Find the integral of (x+4)(x+9)(x+1). Find the integral. Rewrite the integrand \left(x+4\right)\left(x+9\right)\left(x+1\right) in expanded form. Expand the integral \int\left(x^{3}+14x^2+49x+36\right)dx into 4 integrals using the sum rule for integrals, to then solve each integral separately. The integral \int x^{3}dx results in: \frac{x^{4}}{4}.