Do you need it explained or just the answer
Answer:
0
Step-by-step explanation:
First, in order to subtract these fractions, we need the denominators to be the same number.
4/8 x 2 = 8/16
1/2 x 8 = 8/16
8/16 - 8/16 = 0. The doctor does not need any Robitussin at all
2(2^4) - 5(2^2) - 3*2 + 2 = 32-20-6+2 = 8