X 4 5x 3 11x 2 12x 6 x 2 x 2 July 8, 2019 16 32 64 128 6) x ^ 4 - 11x ^ 2 + 30 = 0 b) 2x ^ 4 - 5x ^ 2 - 12 = 0 (12 5-x) 5=(3 6+x) 6
