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anonymous

  • 5 years ago

Factor Completely: x2 − 49

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  1. anonymous
    • 5 years ago
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    that is x^2 right?

  2. anonymous
    • 5 years ago
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    yes

  3. anonymous
    • 5 years ago
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    (x-7) (x+7)

  4. anonymous
    • 5 years ago
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    first of all do you know how to do this?

  5. anonymous
    • 5 years ago
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    not really I suck at algebra.

  6. anonymous
    • 5 years ago
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    (x + 7)(x - 7). You should use a^2 - b^2 identity.

  7. anonymous
    • 5 years ago
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    hmmm okies

  8. anonymous
    • 5 years ago
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    thank you though.

  9. anonymous
    • 5 years ago
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    yes

  10. anonymous
    • 5 years ago
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    sorry i wrote it wrong

  11. anonymous
    • 5 years ago
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    its only (a^2- b^2)

  12. anonymous
    • 5 years ago
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    49 = 7^2.

  13. anonymous
    • 5 years ago
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    okies from that if you can tell that the looks are similar a^2 - b ^2 x^2 - 49 7 ^ 2 = 49

  14. anonymous
    • 5 years ago
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    ok that looks better lol

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spraguer (Moderator)
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