We solve the inequality x^4 - 4 ＜ x^3 - 3 ＜ x^2 - 2 ＜ x - 1 ＜ 0.

00:00 Understanding the problem
01:16 Solving the first inequalities
03:13 Including the next inequality
05:07 Final inequality case 1
07:10 Case 2