Answer:
2
Step-by-step explanation:
Here we're "evaluating," not solving, the given expression.
Substitute -2 for x and 6 for y:
20 - (-2)^2 20 - 4
--------------- = -------------- = 16/8 = 2
(6) - (-2) 8
The value of this expression, when x = -2 and y = 6, is 2.
