How do you integrate ∫12x3dx? Calculus Introduction to Integration Integrals of Polynomial functions 1 Answer Steve M Nov 2, 2016 ∫12x3dx=−14x2+C Explanation: Using the power rule we have: ∫12x3dx=∫12x−3dx =12(x−2−2)+C =−14x2+C Answer link Related questions How do you evaluate the integral ∫x3+4x2+5dx? How do you evaluate the integral ∫(1+x)2dx? How do you evaluate the integral ∫8x+3dx? How do you evaluate the integral ∫x10−6x5+2x3dx? What is the integral of a constant? What is the antiderivative of the distance function? What is the integral of |x|? What is the integral of 3x? What is the integral of 4x3? What is the integral of √1−x2? See all questions in Integrals of Polynomial functions Impact of this question 15261 views around the world You can reuse this answer Creative Commons License