Question

-2.5(2s -5) -3(4.5s)
Find the sum or difference

Answer 1

-2.5(2s-5)=-5s+12.5
-3(4.5s)=-13.5s
-5s-13.5s=-18.5s

Answer: -18.5s+12.5

Answer 2

remember PEMDAS paretics exponent dived + than sutract