The equation is .

The four  x value are substitute from the equation .

The table is x and y values ordered pairs.

\ x \	\ \	\ y \
	\   \	\ \
\   \	\ \	\ \
\   \	\ \	\   \
\   \	\ \	\   \

The solutions of the four ordered pairs are (1,3), (0,2), (1, 1), (2, 0).

The four ordered pair solutions are (1,3), (0,2), (1, 1), (2, 0).