Factorise x 3 7x 2 7x 15 July 8, 2019 16 32 64 128 Factor x 3 7x 2 7x 15 Factorise x 3 7x 2 15x 9 Factor x 3 7x 2 15x 9 Factor x 3 7x 2 15x 105 Factorise class 9 x3+13x2+32x+20