2x 3 5x 2 9 July 8, 2019 16 32 64 128 2x 3 5x 2 9x 18 2x 3 5x 2 9x 18 0 2x 3 5x 2 90 2x 3 5x 2 3x 9 2x 3 5x 2 9 x 3 5x 3 2 3x )+ 2x 9 0 3 2x 1 )+ 2 1 5x )= 9 x 2x 3 5x 2 6x 9 2x 3 5x 2 6x 9 0 2x 3 5x 2 20x 9 0 2x 3 5x 2 36x 90 Factorise 2x 3 5x 2 9x 42 2x 3 5x 2 20x 9 2x 3 3x 2 5x 9 )/( x 20
