So the first thing we need to do is multiply 3*-5, since order of operations dictates it (PEMDAS)

Now, whenever we see a minus negative number, we can think of it as adding a positive number

Now we just add them together

23 is the answer
Answer:
C
Step-by-step explanation:
There is no way of telling what the means are.
That is false... coefficients in polynomials can lead in either positive or negative