Verified Answer :

-3(s-1) + 5s
we are going to distribute the -3 through the parenthesis...all that means is multiply -3 by everything in the parenthesis.
-3 s + (-3) -1 + 5s
-3s + 3 + 5s...now we combine like terms
-3s + 5s + 3 = 
2s + 3

Hey there, 

Lets solve this equation step by step, 

First of all, we will need to expand the equation. 

\(-3s+3+5s\) 

Now gather like terms, 

\((-3s+5s)+3\) 

Finally, 
Simplify .

\(2s+3\)