I think it should be x(ax +b) + c. Not sure though.
ABCDEDJGHIKLMNOP
sorry just wanted to see if the bold thing works
No, Lily is not correct. This is because 16+3 does not equal 18. So to find N, you take 18 and subtract 16.
18-16=n
18-16=2
so n=2
16+2=18.
