9x 2 5x 4 July 8, 2019 16 32 64 128 9x 2 5x 4 180 9x 2 5x 4 90 9x 2 25x 4 9x 2 4 5x 3 )- 8 X 3 9x 2 5x 45 X 2 9x 5x 45 5x 2 9x 4 factored 5x 2 9x 4 0 quadratic formula X 2 9x 9 =- 5x 4 5x 3 9x 2 4x 5 5x 2 9x 44 Factorise 5x 2 9x 4 Factor 9x 2 5x 4 9x 2 4x )-( 5x 2 3x