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College Algebra

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The problem is to find the domain of 2x+7 / x^3-5x^2-9x+18. I know that x^3-5x^2-9x+18 cannot = 0. What I can't remember is how to solve x^3-5x^2-9x+18 ≠ 0. Thanks!

  • College Algebra -

    Since there is no value of x that will
    make the denominator = 0, the Domain
    is all real values oF X.

  • College Algebra -

    X(x^2+1)(x-3)/x-2=0

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