What is the expression for "the difference of five times a number and twice that number"?

5 (2 - N)

5N - 2N

2N - 5N

5 (N - 2)

"The difference of" means subtraction

"of 5 times a number" means 5N

"and twice that number" means 2N

So the statement is the subtraction of 5N and 2N

5N - 2N

The second option is correct.