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OMG I've never hear of that O_O
By the rational roots theorem, the only possible rational solutions are -9 -3 -1 1 3 and 9
but i dont understand how it is possible. I cant find any rule or formula that allows to do that
God factored out x-3 from the original equation. (x-3)(x²+3x+3) = x³-6x-9
thanx man, but I did it in another more complicated way.
so basically x^3 - 6x - 9 = 0
Could someone help me with this?