Answer
46
Work Step by Step
First, we substitute the value of x into the expression: $6+5(8-6)^{3}$
We now follow order of operations:
First, we solve inside the parenthesis: $6+5(2)^{3}$
Then, we consider exponents (powers): $6+5(8)$
Then, we multiply: $6+40$
Finally, we add: 46