N 2 2n 3 0 July 8, 2019 16 32 64 128 N 2 2n 3 0 complete the square N 2 2n 3 0 solve by completing the square N 3 3n 2 2n 120 0 N 3 2n 2 9n 18 0 N 3 3n 2 2n 60 0 N 3 3n 2 2n 336 0 2n 3 n 2 136n 0 N 3 2
