B is the answer there is a common denominator y’a welcome
Answer:
x=20
Step-by-step explanation:
hope this helps
F14.33 1425,413 that’s the right number
x^2 - 7x + 15
_________________
(x+4)/ x^3 - 3x^2 - 13x + 78
- x^3 + 4x^2
----------------
- 7x^2 - 13x
- - 7x^2 - 28x
------------------
15x + 78
- 15x + 60
-------------
18
remainder = 18
