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anonymous

  • 4 years ago

Please just help me check my answer! Is this prime: 5m^2+9m+10. I can't solve it so I think its prime, but I want to make sure.

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  1. anonymous
    • 4 years ago
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    Use the quadratic formula to solve for m

  2. anonymous
    • 4 years ago
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    That is, if it is equal to 0

  3. anonymous
    • 4 years ago
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    It just told me to 'factor completely)

  4. anonymous
    • 4 years ago
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    Yes, it can't be factored

  5. anonymous
    • 4 years ago
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    I dont think its factorable

  6. anonymous
    • 4 years ago
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    so prime then?

  7. anonymous
    • 4 years ago
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    yes

  8. anonymous
    • 4 years ago
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    Awesome, can you help me check another problem? Its 2m^3+5mn-2m^2-5n I got (m-1)(2m^2+5n)

  9. anonymous
    • 4 years ago
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    Just reexpand it and see if you get the original equation back

  10. anonymous
    • 4 years ago
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    ok, be right back

  11. anonymous
    • 4 years ago
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    Yes, i did. Thank you.

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spraguer (Moderator)
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