Answer: 5x-5 or 5(x-1)
Step-by-step explanation:
1. take away parentheses, add because asking for "sum"
=x-4+4x-1
2. add
=5x-5
3. if u need to factor it:
5(x-1)
I believe that the answer to the question asked above is the advancement of naval weaponry has lessened Gibraltar's importance as a military base.
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
I think it is B maybe. I hope it works!!! plz tell me if it did or not bye!!!
Hope this helps. You should transfer them into fractions, change to common dominators. then subtract and then you get your final answer, you may reduce it from there or not.