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anonymous

  • one year ago

Factor: x2 + 7x – 18 A. (x + 5)(x + 2) B. (x + 9)(x + 2) C. (x + 4)(x + 3) D. (x + 9)(x – 2)

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  1. aripotta
    • one year ago
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    this one is easy, you don't even need to do math.

  2. aripotta
    • one year ago
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    you see the third term is a negative? then the answer must have a positive and a negative number. and there's only one answer choice with a positive and negative.

  3. anonymous
    • one year ago
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    D

  4. anonymous
    • one year ago
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    Yes, but she needs to apply the concept for all Q's. It's not as easy as it seems all the time.

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