1 9x 2 6x July 8, 2019 16 32 64 128 1 9x 2 6x 0 1 9x 2 6x 5 1 9x 2 6x 10 1 9x 2 6xy y 2 9x 2 6x 1 0 quadratic formula 9x 2 6x 1 factorise 9x 2 1 6x )=- x 6 9x 2 6x 1 factor 9x 2 6x 1 0 factor 9x 2 6x 1 4 9x 2 6x 1 factor completely 9x 2 )- 6x 1 ≤ 0 9x 2 )+ 6x 1 25y 6x 2x 1 9x 2 2 x 4x 3 9x 2 6x 1