What is the quotient? 2y^2-6y-20/4y+12 / y^2+5y+6/3y^2+18y+27
A) 2/3(y-5)
B) 3(y-5)/2
C) (y-5)(y+2)^2/6(y+3)^2
D) 3(y+5)(y-2)/2(y+2)