What is ∫(x2+x)dx\int (x^2 + x) dx∫(x2+x)dx?
x33+x22+C\frac{x^3}{3} + \frac{x^2}{2} + C3x3+2x2+C
2x+1+C2x + 1 + C2x+1+C
x32+x2+C\frac{x^3}{2} + x^2 + C2x3+x2+C
x33+x+C\frac{x^3}{3} + x + C3x3+x+C