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The integral $\int2xdx$ results in: $x^2$
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Learn how to solve problems step by step online. Integrate int(x+6x)dx. The integral \int2xdx results in: x^2. The integral \int6dx results in: 6x. Gather the results of all integrals. As the integral that we are solving is an indefinite integral, when we finish integrating we must add the constant of integration C.