Express the integrand as a sum of partial fractions and evaluate the integral. Find the value of the integral of (48x^2)/((x-15)(x+5)^2)dx.

A) (12/((x-15)(x+5))) + (36/((x+5)^2))
B) (12/((x-15)(x+5))) + (12/(x+5))
C) (12/((x-15)(x+5))) + (12/((x-15)(x+5)^2))
D) (12/((x-15)(x+5))) + (12/(x-15))
Note: Please select the correct option.