Respuesta :
Distributive property is given as:
[tex]a(b+c)=ab+ac[/tex]
We basically "distribute" the a into the expression (b+c). This property usage gets rid of the parenthesis.
So the expression [tex]1.7(x+9)[/tex] can be void of the parenthesis if the distributive property is used.
ANSWER: Distributive