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Solve `2x^3-9x^2+3x+4=0`

From the rational root theorem, we know that the only possible rational roots are `+-4,+-2,+-1,+-1/2`

Trying 1 we find that x=1 is a solution. We then can use polynomial long division or synthetic division to get

(The entire section contains 2 answers and 141 words.)

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