Need Calculus help
instruction: find the indefinite integral.
I'll post the question in a minute.

Question

Need Calculus help 
instruction: find the indefinite integral. 
I'll post the question in a minute.

anonymous · Answer

$$\int\limits_{?}^{?}\frac{ x^2+2x+3 }{ x^3+3x^2+9x } dx$$
(There's no interval. you can ignore the question mark.)

anonymous · Answer

I learned that if the degree of the top one is same or greater than the bottom one, you can do the division, but in this case, the bottom one's larger so I got confused.

science0229 · Answer

or this one, you use the substitution method.

science0229 · Answer

Substitute$$u=x^3+3x^2+9x$$

science0229 · Answer

$$\frac{ 1 }{ 3 }du=(x^2+2x+3)dx$$

anonymous · Answer

ohh okay, Hold on.. I have to make this clear..

anonymous · Answer

oh okay I got it Thank you :)

science0229 · Answer

Yep :)

anonymous · Answer

@science0229  can I ask you another one? of course through my new question page.

science0229 · Answer

Sure.