45 = 3x3x5
Or you could simplify it to 3^2x5
It would be 27/8 = 3 3/8 next 18/5 = 3 3/5 after that 19/6 = 3 1/6 lastly 35/4 = 8 3/4
Hope this helped!
N+9
The other factor is n-6
Once multiple together, you will get the same equation again
Can you please elaborate on your question