Question

∫ x(x-4)^9 dx

Answer 1

so i let u=x-4 and du=dx x=u+4

So ∫ u+4(u)^9 du is it right so far??

Answer 2

yep...

Answer 3

\(\large \int {x(x-4)^9}dx \rightarrow \int {(u+4)u^9}du\rightarrow \int{u^{10}+4u^9du}\)

Answer 4

great that makes sense thanxs