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Find all zeros for 9x^3-33x^2-54x-30
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Find all zeros for 9x^3-33x^2-54x-30

User Bert H
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1 Answer

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9x³-33x²-54x-30 =
3(3x³-11x²-18x-10) =
3(x-5)(3x²+4x+2) so one zero is 5. use the quadratic formula to determine the other 2 roots are a double root at -⅔
User Priyabrat Nanda
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