X 2 7x 120 July 8, 2019 16 32 64 128 X 2 7x 120 0 X 2 7x 120 factorise X 2 7x 120 factored X 2 27x 120 Solve x 2 7x 120 Solve x 2 7x 120 0 Middle term splitting of x 2 7x 120
