This task is about translating a given Spanish language sentence to English.

Asi, de hecho, solo terminas con una suma de xi al cuadrado dividida por 2.
So, in fact, you just end up with a sum of xi squared divided by 2.

Truth is, I don't know if I want to.hehe
Y HONESTAMENTE, NO SE SI

Dar punetazos a la gente es tan gratificante
Punching people is so satisfying.