En resumen

<img src="https://tex.z-dn.net/?f=2%28%20%7B1%7D%5E%7B2%7D%20%29%20-%203%281%29" /> <img src="https://tex.z-dn.net/?f=2%20-%203" /> <img src="https://tex.z-dn.net/?f=%20-%201" />.

Mejor respuesta

Gabrielatroy11
5

<img src="https://tex.z-dn.net/?f=2%28%20%7B1%7D%5E%7B2%7D%20%29%20-%203%281%29" />

<img src="https://tex.z-dn.net/?f=2%20-%203" />

<img src="https://tex.z-dn.net/?f=%20-%201" />.