Respuesta :

Answer:

depends. however the parentheses only make it easier to read ( for example it would be 9 + (-5) instead of 9+-5 . if its 9+ (-5) . it just becomes 9 - 5 since the - and the + cancel each other out. but if it was -9 + 5. its .. well... -9 + 5.

Step-by-step explanation: