X 4 13 36 0 July 8, 2019 16 32 64 128 X 4 13 x 2 36 0 X 3 4 13 x 3 2 36 0 1) x ^ 4 - 13x + 36 = 0 1) x ^ 4 - 13x ^ 2 + 36 = 0
