Find all the zeroes of each function. Write your answer with complete solution in a separate piece of paper:

1.P(x) = x³ + 2x² — 5x — 6
2.P(x) = 2x³ + 13x² + 17x — 12
3.P(x) = 2x⁴ + 3x³ — 12x² — 7x + 6
4.P(x) = x³ — x² + 4x — 4
5.P(x) = x⁵ — 3x⁴ + 3x³ — 9x² + 2x — 6

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