Find ∫(x2+2x)dx\int (x^2 + 2x) dx∫(x2+2x)dx.
x33+x2+C\frac{x^3}{3} + x^2 + C3x3+x2+C
x3+x2+Cx^3 + x^2 + Cx3+x2+C
x33+2x2+C\frac{x^3}{3} + 2x^2 + C3x3+2x2+C
2x3+x2+C2x^3 + x^2 + C2x3+x2+C