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Tati_Lee

  • 2 years ago

Which of the following is the simplified form of

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  1. Tati_Lee
    • 2 years ago
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    \[\frac{ x ^{2}-16 }{ x-4 }\]

  2. Tati_Lee
    • 2 years ago
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    x + 4, with the restriction x ≠ –4 x – 4, with the restriction x ≠ –4 x + 4, with the restriction x ≠ 4 x – 4, with the restriction x ≠ 4

  3. Zekarias
    • 2 years ago
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    can you factorize \[x^{2}-16\]??????????????????

  4. Tati_Lee
    • 2 years ago
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    (x+4)(x-4)?

  5. Zekarias
    • 2 years ago
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    oh sorry \[\frac{ (x+4)(x-4) }{ x-4 }\]Thus which cancels which?

  6. Tati_Lee
    • 2 years ago
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    x-4 cancels

  7. Zekarias
    • 2 years ago
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    But \[x-4\neq0......x{\neq}4\]right?

  8. Tati_Lee
    • 2 years ago
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    im confused

  9. Zekarias
    • 2 years ago
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    If you have rational expression like a/b, b must not be 0 so as the given expression above to be rational. You this?

  10. Zekarias
    • 2 years ago
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    you know this?

  11. Tati_Lee
    • 2 years ago
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    yea

  12. Zekarias
    • 2 years ago
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    Therefore the expression\[\frac{ (x+4)(x-4) }{ x-4 }\] to be rational, what condition must be fulfilled?

  13. Zekarias
    • 2 years ago
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    Are you there?

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