Write the sum using summation notation, assuming the suggested pattern continues.

-3 + 6 + 15 + 24 + + 132

summation of negative 27 times n from n equals 0 to infinity
summation of negative 27 times n from n equals 0 to 15
summation of the quantity negative 3 plus 9 n from n equals 0 to infinity
summation of the quantity negative 3 plus 9 n from n equals 0 to 15