3 5 x square 19 5 x 4 July 8, 2019 16 32 64 128 3 upon 5 x square 19 5 x 4 Factorise 2x 3 5 x square 19 x 42 3 5 x 19 3 x-5=x+3 3x - 5 19 5 3/5 x 1 4/21
