Respuesta :

Answer: x unit xy

Step-by-step explanation:

Answer:

3x² - 3x - 1 = x + 1

3x² - 3x - 1 - x - 1  = 0

3x² - 4x - 2 = 0

x = (4±2√10)/6

= (2±√10)/3

x₁ = (2 + √10)/3

x₂ = (2 + √10)/3