A solution can be found using substitution by substituting the ordered pair into both of the original equations.
Answer:

Step-by-step explanation:
Let

We factor 2 to obtain;

We factor the polynomial within the parenthesis by grouping.



We apply difference of two squares on the second factor: 

We now compare to;

It is now obvious that 
The points are at (8,0) and (0,6)
You simply divide 678 by 3 and get 226.