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anonymous

  • 5 years ago

6-12). Factor the polynomial completely. 5x^2 - 28x + 15 =

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  1. anonymous
    • 5 years ago
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    is it equated to 0?

  2. amistre64
    • 5 years ago
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    you dont have to equate it to zero to factor it :)

  3. anonymous
    • 5 years ago
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    oh didnt see that..lol

  4. amistre64
    • 5 years ago
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    to factors of 75 that add to 28...

  5. anonymous
    • 5 years ago
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    i though it was equated to zero..

  6. anonymous
    • 5 years ago
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    *two

  7. amistre64
    • 5 years ago
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    3 and 25 right? (x-3/5)(x-25/5) ; reduse and reuse :)

  8. watchmath
    • 5 years ago
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    \(5x^2-25x-3x+15\) \(5x(x-5)-3(x-5)\) \((5x-3)(x-5)\)

  9. amistre64
    • 5 years ago
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    5x -3; x-5

  10. amistre64
    • 5 years ago
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    you find the zeros, also called roots, of a polynomial by equating it to zero

  11. amistre64
    • 5 years ago
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    so what are these questions part of?

  12. anonymous
    • 5 years ago
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    ok.. i get it now.. thanks guys..

  13. anonymous
    • 5 years ago
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    am having a final comming up and i had to do some math submission on line .. my time is running out and i am now trying to accomplish them..

  14. amistre64
    • 5 years ago
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    good luck with the final :)

  15. anonymous
    • 5 years ago
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    thank you.. very much for that..

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spraguer (Moderator)
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