To make the equation easier so that you don't have to use fractions.
Maybe 34.5 !!!!!!!!!!!!!!
Answer:

Step-by-step explanation:
This is a subtraction between polynomials, since both functions are polynomials, hence, to solve the problem with need to perform the subtraction, by coefficients.

By performing the subtraction, we have:

Answer:
C
Step-by-step explanation: