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DeadShot

  • 3 years ago

What are the approximate real number solution(s) to the polynomial function f(x) = x^3 + 2x^2 - 5x - 6?

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  1. 120210
    • 3 years ago
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    2 is one solution.

  2. DeadShot
    • 3 years ago
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    okay, thanks!

  3. calmat01
    • 3 years ago
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    The factors of the constant at the end of your equation are the possible solutions to this problem. What are the different factors of 6?

  4. DeadShot
    • 3 years ago
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    1, 2, 3, and 6

  5. calmat01
    • 3 years ago
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    Right. Both positive and negative, so you have 8 possible solutions.

  6. DeadShot
    • 3 years ago
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    ok, so is the group x = 3, x = 1, and x = -2 a possibility?

  7. calmat01
    • 3 years ago
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    Since this is a third degree polynomial, there can only be three. And since you know one is 2, use synthetic division to find the others. Yes, the group you listed is certainly a possibility.

  8. DeadShot
    • 3 years ago
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    okay, thanks!

  9. calmat01
    • 3 years ago
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    You are welcome.

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