which 2 expressions are equivalent

Question

a.5x-5 and 5(x-5)

b.5(x-5) and 5x-25

c.5x-1 and 5(x-5)

d.5x(x-1) and 5x-5

please help ASAP

Answer 1

Thomas is correct.  The only answer that has 2 equivalent expressions is (b):  

 

5(x - 5) = 5x - 5·5 = 5x - 25

 

by the distributive property.  Someone gave his solution an unjustified  down vote.

Answer 2

b is correct...5(x-5) distribute the 5 and get 5x-25