Respuesta :
Answer: Associative Property of Addition
Step-by-step explanation:
Associative Property of Addition says that we can add by avoiding how the expressions are grouped by using parenthesis .
Let a, b, c be two expressions, then , we have
[tex]a+(b+c)=(a+b)+c[/tex], for any a, b and c.
The given equation : [tex]5+(\sqrt 15+6)=(5+\sqrt15)+6[/tex]
By considering the definition of Associative Property of Addition , we can say that the property use to illustrate the given equation is Associative Property of Addition .