3a 4b 3 July 8, 2019 16 32 64 128 3a 4b 3 expand 3a 4b 3 5 3a 4b 3 2 3a 4b 3 class 9 3a 4b 3 expanded form 3a 4b 3c 2 3a 4b 3 solution 3a 4b 3 answer 3a 4b 3 formula
