What is the correct form of the partial fraction decomposition for the expression 7x+18/x^2+9x

a StartFraction A Over x squared + StartFraction B Over 9 x EndFraction
b StartFraction A Over x EndFraction + StartFraction B Over x + 9 EndFraction
c StartFraction A x + B Over x squared EndFraction + StartFraction C Over 9 x EndFraction
d StartFraction A x + B Over x EndFraction + StartFraction C Over x + 9 EndFraction