#### Answer

$46$

#### Work Step by Step

First, we must substitute x and y into the expression: $(8)^{2}-3(8-2)$
We now follow order of operations:
First, we work inside the parenthesis $(8)^{2}-3(6)$
Then, we consider exponents $64-3(6)$
Then, we multiply outside of the parenthesis $64-18$
Finally, we subtract: $46$