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anonymous

  • 5 years ago

Solve. x2 + 6x = 10 -3 ± sqrt 10 -3 ± sqrt 7 -3 ± sqrt 19 -3 ± sqrt 13

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  1. anonymous
    • 5 years ago
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    ...............this problem is wrong. or you typed it wrong. given this it would be 8x = 10. x = 10/8. is it x^2?

  2. anonymous
    • 5 years ago
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    yes x^2 + 6x = 10

  3. anonymous
    • 5 years ago
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    OK, so, we're solving for x, right? So you start by subtracting 10 from both sides getting you x^2 + 6x - 10 = 0. Are there any factors of 10 and 1 that can get you 6?

  4. anonymous
    • 5 years ago
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    no... i used the quadratic and i got it to -6 ± sqrt 76 ----------- 2

  5. anonymous
    • 5 years ago
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    hm. I see your problem.

  6. anonymous
    • 5 years ago
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    yep.. no idea what to do now

  7. anonymous
    • 5 years ago
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    convenient. simplify :). sqrt 76 = 2sqrt(19)

  8. anonymous
    • 5 years ago
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    you got the answer :)

  9. anonymous
    • 5 years ago
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    OK. Well, what about pulling out 4 (well, 2), and getting rid of it...or Ronncc did it...that was fast...

  10. anonymous
    • 5 years ago
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    anything even is tricky o_o

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