No this is to much work for something that is 5 points to do Na man but I hope this helps you in the future .
-1080 if x = -4 then you do 4 * -4*2-2*-4*15
2/3
4/6
6/9
8/12
i hope this helps..
I found the common multiple which was 12 so I multiplied 12 to all the fractions which gave an improper fraction that turned into a whole number. I hope this helps if you have any questions just ask me and I will answer.
It could be possible for h to be any number. There is not enough numbers to see the actual pattern. Though I would say it's probably either 15 or 11