4x 5 2x 1 )=- 6x 0 July 8, 2019 16 32 64 128 4x 1 )( 3x 7 )- 2x 6x 5 )= 0 (4 2 + 1 1x)/6 = (0 5x - 1 5)/3 6) 4x ^ 4 - 5x ^ 2 + 1 = 0