2x-5 is the expression that represents 5 less than twice x
Diagonal angles have the same measure - not sure what u mean by oposite.
Answer:
The factors for 5 are going to be 1 and 5 or their negative counterparts, since no other whole number within the range of 5 can be multiplied to get 5.
Make sense?
Hope I helped you. You didn't even asked any question.