X 3 4x 2 3x 18 July 8, 2019 16 32 64 128 X 3 4x 2 3x 18 0 X 3 4x 2 3x 18 factor 5x 18 3 x 2 4x 8 3x 12 Factorise x 3 4x 2 3x 18 F x )= x 3 4x 2 3x 18 X 4 4x 3 3x 2 18x Three is a zero of the equation x 3 4x 2 3x 18 0 5x 3 4x 2 3x 18 3 2x x 2 3x 3 4x 2 5x 18 x 2