16 8a a 2 July 8, 2019 16 32 64 128 A 2 8a 16 0 A 2 8a 16 a 4 A 2 8a 16 answer A 2 8a 16 factorise the following expression A 2 8a 16 factorization A 2 8a 16 solution 16 a 8