It is correct
One room per day. Nine rooms in nine days
Hello,
After decrypting the question:
f(x)=2x^4-4x^3-11x^2+3x-6
f(-2)=2(-2)^4-4(-2)^3-11(-2)^2+3*(-2)-6=2*16+32-44-6-6=8
The answer would be 48 because the first answer is 60 minus the second answer which is 12 to get 48
