Using the rules for Partial Fraction Decomposition, decompose the following rational function into the sum of its smaller rational parts:

f(x) =

6x − 10
x
2 + 10x + 25

Which equation represents the decomposition of f(x)?
A. f(x) =
6
x+5
−
40
(x+5)
2

B. f(x) =
−40
x+5
+
6
(x+5)
2

C. f(x) =
5
x+5
+
5
x+5
D. f(x) =
6
x+5
−
10
(x+5)
2