X 2 5x 8 4 July 8, 2019 16 32 64 128 X 2 5x 4x 8 X 3 5x 2 4x 8 X 4 5x 2 8 0 F x )= 4x 2 5x 8 2 x 6 4x 5x 8 x X 2 6x 8 x 2 5x 4 5x 18 3 x 2 4x 8 3x 12 X 2 5x 8 4x 4 (- x 2 5x 8 )-( 4x 2 7x 10 X 2 5x 8 )+( 4x 2 2x 3 X 1 2 5x 8 3 4 X 2 y 3 8 5x )/ 4 3y 3 X 4 5x 2 8 in quadratic form X 8 )( 3x 2 5x 4