Respuesta :

Answer:

x=0 or x=0.8685170918213297 or x=−1.5351837584879966

Step-by-step explanation:

(3x3 + 2x2 - 2x - 1) = (3x - x - 1)

Add 1 to both sides

(3x3 + 2x2 - 2x) = (3x - x)

Divide both sides by 3

(x3 + 2x2 - 2x) = (x - x)