Find all zeros of the function and write the polynomial as a product of linear factors.f(x) = x4 + 4x3 + 12x2 + 36x + 27

A. f(x) = (x - i)(x + i)(x - 3)(x +3)
B. f(x) = (x - 1)(x - 3)(x - 3i)(x + 3i)
C. f(x) = (x + 1)(x + 3)(x - 3i)(x + 3i)
D. f(x) = (x - 1)(x + 3)(x - 3)(x + 3)


Answer: C

Mathematics

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