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anonymous

  • 5 years ago

8k^2-19k+9 factor if possible and show work

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  1. myininaya
    • 5 years ago
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    Find factors of 8(9) that add up to be -19 if there aren't any then say not factorable over the integers

  2. anonymous
    • 5 years ago
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    yeah it shld b -18k

  3. anonymous
    • 5 years ago
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    how are you getting -18k??

  4. myininaya
    • 5 years ago
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    -8(-9)=72 but -8-9=17 so that will not work -4(-18)=72 but -4-18=-22 -12(-6)=72 but -12-6=-18 -24(-3)=72 but -24-3=-27 if you can't find any factors of a*c that add up to be b, then say not factorable but i have to go

  5. anonymous
    • 5 years ago
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    i dont get that

  6. anonymous
    • 5 years ago
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    im sayin d question myt b wrng....its only factorable into irrational nos

  7. anonymous
    • 5 years ago
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    so then it would be a prime trinomial??

  8. anonymous
    • 5 years ago
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    cause it cant be factored by integers

  9. anonymous
    • 5 years ago
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    wts a prime trinomial?

  10. anonymous
    • 5 years ago
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    book says a plynomial that cant be written as a product of two plynomials with integeral coefficients

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