HARDEST PROBLEM EVERY !!!!!1!111!

Let x satisfy \(x^4+x^3+x^2+x+1\) Compute the value of \((5x + x^2 )(5x^2 + x 4 )(5x^3 + x 6 )(5x^4 + x^8)\)

 

PLEASE HELP!!!11!!1!1!1!!11!