These rational expressions all have the same denominator. Write the sum of their numerators over the common
denominator
2x+1/x-3 + x/x-3 + 4/x-3

A) 8x^2 + 4x/x-3
B) x+5/x-3
C) 3x+5/x-3
D) 3x+5/3(x-3)​