Hi, guys, I'm a newbie,

Could anyone help me please with this integral:

S ( (X^2) / sqrt (X^3 + 3) ) dx

(x squared over square root of ( x cubed plus three )

My steps are as follow:

U = ( x^3 + 3) du = 3x^2 dx;

dx = du / (3x^2) -- correct??

what next?