Find all the zeros of the function and write the polynomial as a product of linear factors.
?
x4 + 13x2 + 36
?

A. ±3i, ±2i; (x + 3i)(x - 3i)(x + 2)(x - 2)
B. ±3i, ±2i; (x + 3i)(x - 3i)(x + 2i)(x - 2i)
C. -3i, -2i; (x - 3i)(x - 3i)(x - 2i)(x - 2i)
D. 3i, 2i; (x + 3i)(x + 3i)(x + 2i)(x + 2i)
E. ±3i, ±2i; (x + 3)(x - 3)(x + 2i)(x - 2i)


Answer: B

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