Integral 12 (X^2 - 4)^5 X dx

integral 12( x^2 -4)^5 x dx
misal u = x^2 - 4
du/dx = 2x
dx = du/2x, sehingga soal menjadi
integral 12(u)^5 x du/2x
integral 6 u^5 du
= 6/(5+1) u^(5+1) + c
= 6/6 u^6 + c
= u^6 + c
= (x^2 - 4)^6 + c