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artishaalston

  • 2 years ago

u^2+2u-2=0 solve

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  1. bahrom7893
    • 2 years ago
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    factor or use the quadratic

  2. artishaalston
    • 2 years ago
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    yes

  3. bahrom7893
    • 2 years ago
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    I'm telling you to do it lol

  4. artishaalston
    • 2 years ago
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    ok well i wouldnt be asking for help if ik what to do

  5. bahrom7893
    • 2 years ago
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    http://www.wolframalpha.com/input/?i=factor%28u%5E2%2B2u-2%29

  6. shubham.bagrecha
    • 2 years ago
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    DO you know quadratic formula?

  7. artishaalston
    • 2 years ago
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    yes but i get confused on where to put my numbers in at

  8. shubham.bagrecha
    • 2 years ago
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    \[\Large u=\frac{-b \pm \sqrt{b^{2}-4ac}}{2a}\] here b(coeffi. of u)=2 a(coeffi. of u^2)=1 c = -2 substitute.

  9. artishaalston
    • 2 years ago
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    ok u=-2+-squreroot 2*-4*1*2 is this right

  10. shubham.bagrecha
    • 2 years ago
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    \[\Large u=\frac{-2 \pm \sqrt{2^{2}-4(1)(-2)}}{2(1)}\]

  11. artishaalston
    • 2 years ago
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    ok now idk were to go frm here

  12. artishaalston
    • 2 years ago
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    u=-2+-sqrt2^2+8

  13. artishaalston
    • 2 years ago
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    i am sorry this whole thing is very confusing to me

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