Respuesta :

3x² - 6 = 3(x² - 2)

If 3(x² - 2) = y, then
[tex] \frac{3(x^2-2)}{3}= \frac{y}{3} \\ \\ x^2-2 = \frac{y}{3} [/tex]

Answer:
x² - 2 = y/3