When the coefficient of a term is 1 or -1, we don't write it, we just use the + or - sign. The coefficient of the c term is -1, because of the - sign in front of it and the lack of written coefficient. Any questions?
Answer:
last option bottom right
x can be equal or greater than -2
900/12= 75
780/12= 65
75+65=140
The answer is a
