#### Answer

44

#### Work Step by Step

Substitute x=9 into the expression: $4+5(9-7)^{3}$
We follow order of operations:
First we solve what's in the parenthesis: $4+5(2)^{3}$
Then, exponents: $4+5(8)$
Then, multiply outside the parenthesis: $4+40$
Finally, add: $44$