Помогите я вас прооошууууу

3x⁴+3x³-8x²-2x+4=0
x₁=1
3x⁴+3x³-8x²-2x+4 I_x-1_
3x⁴-3x³                I 3x³+6x²-2x-4
-----------
      6x³-8x²
      6x³-6x₂
      -----------
             -2x²-2x
             -2x²+2x
             ------------
                    -4x+4
                    -4x+4
                    ---------
                            0
3x³+6x²-2x-4=0
x₂=-2
3x³+6x²-2x-4  I_x+2_
3x³+6x²         I 3x²-2
-----------
           -2x-4
           -2x-4
           --------
                 0
3x²-2=0
x₃=√(2/3)≈0,817  x₄=-√(2/3)≈-0,817.