Which part of expression is a factor? 12+5(-3n-8)

The given expression is : 12 + 5 (-3 n -8)

As the meaning of term factor is to break a real number into parts having real number as it's factors or a polynomial into parts containing constants and variables or a polynomial into term containing variable and constant and constant only or Variable and constant and variable only.

So, In the given expression 12 + 5 (-3 n -8) :

The factor is→5 , (-3 n -8) i.e constant and term containing variable and constant.

step-by-step explanation: