One- twelfth for the first tiny line and the two-twelfth and so on until u reach 1
Even numbers are divided by two
Even numbers are easier to cope with in math problems
There are only odd prime numbers


Synthetic division yields
-3 | 1 5 4 -6
. | -3 -6 6
- - - - - - - - - - - - -
. | 1 2 -2 0
which translates to

with remainder 0. Now by the quadratic formula,

and so
Linear because x moves up by 3 and y moves up by 7