integral dari x^2(x+6)dx

[tex] \int\limits { x^{2} (x+6)} \, dx \\ = \int\limits { x^{3}+6 x^{2} } \, dx\\ = \frac{1}{3+1} x^{3+1}+ \frac{6}{2+1} x^{2+1} +C\\ = \frac{1}{4} x^{4}+ \frac{6}{3} x^{3}+C\\ \bold{= \frac{1}{4} x^{4}+2 x^{3}+C }[/tex]