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mar1e0721

  • 3 years ago

factor the trinomials completely 7/5a2−63/5a−126

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  1. 03453660
    • 3 years ago
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    \[\frac{ 7 }{ 5 }a^2-\frac{ 63 }{ 5 }a-126\]

  2. mar1e0721
    • 3 years ago
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    yes

  3. JackSmiley
    • 3 years ago
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    |dw:1349586622551:dw|

  4. JackSmiley
    • 3 years ago
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    |dw:1349586774244:dw|

  5. JackSmiley
    • 3 years ago
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    Makes sense? :)

  6. mar1e0721
    • 3 years ago
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    where is factor?

  7. mar1e0721
    • 3 years ago
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    i dont get it. well

  8. JackSmiley
    • 3 years ago
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    the quadratic formula is for determining what the variable equals. Is that what you were looking for?

  9. mar1e0721
    • 3 years ago
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    hey i get it. thanks.

  10. JackSmiley
    • 3 years ago
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    |dw:1349587513886:dw| That's the quadratic formula. |dw:1349587548271:dw| This is what you would get, and I don't think that's what you guys are doing now. Am I wrong?

  11. JackSmiley
    • 3 years ago
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    Oh, ok, good on ya' mate.

  12. mar1e0721
    • 3 years ago
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    by the way. 7/5* 18=126. wrong 45

  13. JackSmiley
    • 3 years ago
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    no, i believe 90(7/5) is 126.. do you have a calculatour?

  14. JackSmiley
    • 3 years ago
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    |dw:1349588181810:dw| Although, you were right, I should have written 18, not 45

  15. mar1e0721
    • 3 years ago
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    hey thank you so much.. i get it. =D

  16. JackSmiley
    • 3 years ago
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    Good on 'ya mate!

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