C. assosiative property
as it follows the rule....
(a+b)+c = a+(b+c)
so c is the correct answer.....
HOPE IT HELPS YOU '_'
Multiply each term in the parenthesis by -4
-4 • 6n-4•(-5)+3a
Calculate the product -4•6n= -24n
Multiply the numbers -4•(-5)= +20
Then put every thing together
Final Answer: -24n+20+3a
Answer:
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