2 12x 23 July 8, 2019 16 32 64 128 12x 2 23x 5 12x 2 23x 5 0 X 2 12x 23 0 X 2 12x 23 X 2 12x 23 0 complete the square 2x 2 12x 23 9x 2 12x 23 0 Y 2x 2 12x 23 Factorise 12x 2 23x 10 12x 2 23x 10 12x 2 23x 24 12x 2 23x 24 0 12x 2 23x 10 0 12x 2 23x 9
