Question

Решите уравнение.
2х^3-5х^2-4х+3=0

Answer 1

2x³-5x²-4x+3=0
x₁=-1
2x³-5x²-4x+3   |_x+1_
2x³+2x²            | 2x²-7x+3
--------
       -7x²-4x
       -7x²-7x
       ---------
              3x+3
              3x+3
             ------
                    0
2x²-7x+3=0   D=25
x₂=3      x₃=0,5
Ответ: x₁=-1    x₂=3     x₃=0,5.