H(x) =x3-3x2+9x-27
Find all zeros of this function.
3i, -3i, -3
3, -3, -3i
3i, 3, -3
3i, -3i, 3
Write the polynomial as a product of linear factors
(x-3i)(x+3i)(x+3)
(x-3i)(x-3)(x+3)
(x-3i)(x+3i)(x-3)
(x-3)(x+i)(x+3i)