A 5 2 3 July 8, 2019 16 32 64 128 A 5 2 3 9 A 5 2 3 4 A 5 3 2 solve A 5 3a 2 A 5 3 2 answer 5 a 2 )=- 35 5 a 2 )= 30 A 5 3x 2 A 2 5 3 10 A 2 5 3 7 A 5 6 2 3 A 1 5 2 3 A x 5 2 3