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Solve the polynomial equation 2x^3 + 5x^2 -18x - 45=0

User Irfan Wani
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{x}^(2) (2x + 5) - 9(2x + 5) \\ ( {x}^(2) - 9)(2x + 5) \\ (x - 3)(x + 3)(2x + 5)
User HenryHey
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