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$\int\left(2x^2+x+6x+3\right)dx$
Learn how to solve quadratic equations problems step by step online. Factor the expression 2x^2+x6x+3. Find the integral. Simplify the expression inside the integral. The integral \int2x^2dx results in: \frac{2}{3}x^{3}. The integral \int7xdx results in: \frac{7}{2}x^2.