2 t 12 8 July 8, 2019 16 32 64 128 T 2 8t 12 0 T 2 8t 12 T 2 8t 12 0 factorise T 2 8t 12 factor T 2 12 7 8 Graph t ** 2 12 * t 8 Solve t 2 8t 12 0
