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6n+5(4-2n)

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Hi Shaleeza;
6n+5(4-2n)
In algebra, the order of operations is...
Parentheses...
Exponential...
Multiplication...
Division...
Addition...
Subtraction...
The acronym is PEMDAS.  It can be remembered as...
Please excuse my Dear Aunt Sally.
Parentheses...(4-2n)--we can take no further action.
Exponential...not applicable.
Multiplication 5(4-2n)=20-10n
6n+20-10n
Division...not applicable.
Addition...not applicable.
Subtraction...6n-10n=-4n
-4n+20
We can factor out the 4...
4(-n+5)