So sorry... urgent maths help needed

[adriftabroad]

reduce this to a general formula? (sorry it's Spanish)

x2
- plus 6 = 3 x
3

x is not times 2 it is x to the power of 2. Divided by 3.

í thank anyone from the bottom of my heart.

@slashlover

X²/3=3x-6

X²=9x-18

x=3

9=27-18

Thank you