5 x 3 3 x 2 17 July 8, 2019 16 32 64 128 Factorise 2 x 3 3 x 2 17 x 30 5 marks 500 5 x 409 2 mũ 3 x 3 21 mũ 2 1724 5 x 7 = 35 3 x-5=x+3 5 x 5 x 5 x 5 x 5