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babydoll332

  • 3 years ago

Write a linear factorization of the function. f(x) = x^4 + 64x^2

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  1. asnaseer
    • 3 years ago
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    what can you see that is common to both terms?

  2. allank
    • 3 years ago
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    Hint: Try factoring out x^2

  3. asnaseer
    • 3 years ago
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    I guess there's your answer :/

  4. allank
    • 3 years ago
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    Sorry for letting it slip @asnaseer =)

  5. babydoll332
    • 3 years ago
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    f(x) = x2(x + 8i)^2

  6. asnaseer
    • 3 years ago
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    np - I guess we are all eager to solve problems :)

  7. asnaseer
    • 3 years ago
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    not quite babydoll332 - factor out JUST the \(x^2\) term

  8. allank
    • 3 years ago
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    Heh, true. Take it from here @asnaseer

  9. babydoll332
    • 3 years ago
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    f(x) = x2(x + 8i)(x - 8i)

  10. asnaseer
    • 3 years ago
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    yes - that is the correct factorisation - you went one step further than I expected. :)

  11. babydoll332
    • 3 years ago
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    thanks :)

  12. asnaseer
    • 3 years ago
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    yw :)

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