2x(al cuadrado) + 4x(al cubo) =?
2x(al cuadrado) + 4x(al cubo) =.
2x(al cuadrado) + 4x(al cubo) =.
En resumen
<img src="https://tex.z-dn.net/?f=%202x%5E%7B2%7D%20%2B%204x%5E%7B3%7D%20%20" /> factorizo<img src="https://tex.z-dn.net/?f=%202x%5E%7B2%7D%20" /> <img src="https://tex.z-dn.net/?f=2%20x%5E%7B2%7D%20%281%2B2x%29" />.
<img src="https://tex.z-dn.net/?f=%202x%5E%7B2%7D%20%2B%204x%5E%7B3%7D%20%20" /> factorizo<img src="https://tex.z-dn.net/?f=%202x%5E%7B2%7D%20" />
<img src="https://tex.z-dn.net/?f=2%20x%5E%7B2%7D%20%281%2B2x%29" />.