3 2 2x 4 )= x 19 July 8, 2019 16 32 64 128 3 2x 1 )- 2 x 4 )= 19 2x 4 x 3 14x 2 19x 6 2x 4 x 3 19x 2 9x 9 Factorise 2x 4 x 3 14x 2 19x 6 X 3 2x 2 19x 4 find maxima
