Question: User: whats the formula then
1. The problem is to identify the formula being asked about.
2. Since the user did not specify a particular formula, I will explain a general approach to formulas in math.
3. A formula is an equation that expresses a relationship between variables.
4. For example, the quadratic formula is $$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$$ which solves quadratic equations of the form $$ax^2+bx+c=0$$.
5. If you specify the type of formula or problem, I can provide the exact formula and explanation.