X 2 3x 3 7x 9 July 8, 2019 16 32 64 128 F x )= 3x 3 7x 2 9x 4 X 4 7x 3 14x 2 3x 9 3x 3 7x 2 9x 14 )/( x 2 3 x 3 = 9