Xochitl tiene que ahorrar dinero, para madar dinero a mexico
translation: xochitl has to save money, to send money to mexico

The square (²) can be distributed to each factor inside those parentheses.
3² = 3 × 3 = 9
as for the x^-3, we want to multiply our exponents together, leaving x^-6.

Note that since multiplication is commutative/associative, we can multiply these together in whatever order to simplify.
The x on the right can be rewritten as x¹. Multiply that and x^-6 together to get x^-5. (we just add the exponents)
As for the 9 and -2, multiply those together to get -18.
Now we have

.
Lastly, if you don't want a negative exponent in your answer:
It can be flipped to the bottom because of this property:

This leaves us with
Answer:
Marta es una estudiante intelligence
El sr brown es un professor bueno
La Srta Molly es una chica Buena
tu eres un chico inteligente
Rolando es un estudiante estudioso
You soy una professoora Buena
Tu eres un estudiante