Find the values of the integral PLEASE SHOW ALL WORK THANKSS

Find the values of the integral

PLEASE SHOW ALL WORK THANKS

Solution

Answer is coming out as this:

x(12z^3+12yz^2+6xz^2+12y^2z+4x^2z+12y^3+6xy^2+4x^2y+3x^3)/12

**Due to some technical problem on my side i am not able to attach the hand written answer for the question