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lexigolds9

  • 3 years ago

-2x-2>4 what is the solution set

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  1. Yahoo!
    • 3 years ago
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    add 2 to both sides

  2. lexigolds9
    • 3 years ago
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    -2x>6

  3. Yahoo!
    • 3 years ago
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    -2x > 6 nw multiply with -1 so inequatitly reversed 2x < -6 x < -3 Soln = (-infinit , -3)

  4. lexigolds9
    • 3 years ago
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    are they in ()'s or []'s

  5. lexigolds9
    • 3 years ago
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    or different on each side?

  6. lexigolds9
    • 3 years ago
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    ??

  7. goformit100
    • 3 years ago
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    @vikayefremova

  8. lexigolds9
    • 3 years ago
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    ??

  9. ZakaullahUET
    • 3 years ago
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    |dw:1350960501648:dw|

  10. muntoo
    • 3 years ago
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    \[\{x\ |\ x<-3, x \in \mathbb{R} \}\]

  11. lexigolds9
    • 3 years ago
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    i got -infinity,-3 ,,, i just need to know when graphing would it be ] or )

  12. lexigolds9
    • 3 years ago
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    at the negitave 3

  13. Dwade03
    • 3 years ago
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    its paranthesis at -3

  14. lexigolds9
    • 3 years ago
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    thank you so much

  15. Dwade03
    • 3 years ago
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    np :)

  16. lexigolds9
    • 3 years ago
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    can u by any chance tell me the real solutions for 20x^2+17x-10=0

  17. Dwade03
    • 3 years ago
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    ok do u know the quadratic formula?

  18. lexigolds9
    • 3 years ago
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    not anymore. lol i can plug in though if you canwrite it out

  19. lexigolds9
    • 3 years ago
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    or u can just give me the answer:) lol

  20. Dwade03
    • 3 years ago
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    haha smart. well its better to know the formula for your future reference. :) |dw:1350961093023:dw|

  21. lexigolds9
    • 3 years ago
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    17+- square of 17^2-4(20)(-10) over 40 ??

  22. lexigolds9
    • 3 years ago
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    this is really hRD

  23. Dwade03
    • 3 years ago
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    haha hold im trying to figure out if we can factor out the equation

  24. Dwade03
    • 3 years ago
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    so im thinking this mite be the factored form of the equation. (5x+5)(4x-2)=0

  25. Dwade03
    • 3 years ago
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    and then make it equation to zero and solve

  26. Dwade03
    • 3 years ago
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    |dw:1350962242728:dw|

  27. Dwade03
    • 3 years ago
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    get it?

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