2 5x 4 9 July 8, 2019 16 32 64 128 5x 2 4 =- 9x 5x 2 9x 4 factored 5x 2 9x 4 0 quadratic formula 5x 2 9 4 0 X 2 5x =- 9 4 5x 2 x 4 9x 23 5x 2 4 3x 9 5x 2 3x 4 )= 96 X 2 5x 9 4 0 9x 2 5x 4 180 Factorise 5x 2 9x 4 3 5x 2 9x 4 5x 2 x 3 =- 9 4 9x 2 4 5x 3 )- 8 5x 4 18x 2 9