How to simplify functions according to De Morgan?

Question

Mathematics

I have 3 functions
f1 = (!x0&&x3)||(x0&&x1&&!x2)||(!x0&&!x1&&!x2);
f2 = (x0&&!x1&&!x2)||(x0&&!x1&&!x3)||(!x0&&x1&&x2)||(!x0&&x1&&x3)
f3 = (!x0&&x1&&!x3)||(!x0&&x1&&x2)||(!x0&&x2&&! x3)||(x0!&&x1!&&x2!&&x3)

How to simplify them and translate them into assembler

Answer 1

Wolfram can help or this