Respuesta :

princegn
 2 square root of 7 − square root of 28
= 2√7 - √28
= 2√7 - 2√7
= 0
DomeBorja

Answer:

Step-by-step explanation:

2 square root of 7 − square root of 28

= 2√7 - √28

= 2√7 - 2√7

= 0