Решите неравенство
x^4 - x^3 - 4x^2 - x + 1 > 0

x⁴-x³-4x²-x+1>0x⁴+x³-2x³-2x²-2x²-2x+x+1>0x³(x+1)-2x²(x+1)-2x(x+1)+(x+1)>0(x+1)(x³-2x²-2x+1)>0(x+1)(x³+1³-2x(x+1))>0(x+1)²(x²-x+1-2x)>0(x+1)²(x²-3x+1)>0{(x+1)²>0;x≠-1{x²-3x+1>0D=9-4=5x=(3±√5)/2x€(-oo;(3-√5)/2)U((3+√5)/2;+oo);x≠-1