3 (- 2 6x 18 July 8, 2019 16 32 64 128 2x 3 6x 2 18x 12x 3 6x 2 18x X 3 3x 2 6x 18 X 3 3x 2 6x 18 0 Y 2x 3 6x 2 18x 7 Y 2x 3 6x 2 18x Y x 3 3x 2 6x 18 F x )= 2x 3 6x 2 18x 7 4x 4 12x 3 6x 2 18x X 3 2 6x 18 2 3 6x 18 )= 8 X 3 2 6x 18 0 2x 3 (- 6x 2 )= 18 3x 3 6x 2 18x 2x 3 6x 2 18x 54