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aussy123

x + 3 is a factor of x3 - 4x2 - 18x + 9 True False

  • one year ago
  • one year ago

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  1. Zekarias
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    test it by inserting x =-3 in the expression\[x^{3}-4x^{2}-18x+9\]

    • one year ago
  2. aussy123
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    so substitute -3 into the equation and then mult.

    • one year ago
  3. Zekarias
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    find out if it gives you zero

    • one year ago
  4. aussy123
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    im confused.. am I supposed to do this 3^-3-4(3)^2-18(3)+9

    • one year ago
  5. nubeer
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    (-3)^3-4(3)^2-18(3)+9

    • one year ago
  6. aussy123
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    Its false

    • one year ago
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