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moongazer

let x=4 -x^4 = -256 is this correct?

  • one year ago
  • one year ago

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  1. moongazer
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    not -x^4 = 256 because this -x^4 means -1(4)^4 not (-4)^4

    • one year ago
  2. moongazer
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    Is it correct?

    • one year ago
  3. Yahoo!
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    nop

    • one year ago
  4. Yahoo!
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    it is 256

    • one year ago
  5. TheViper
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    (-x)^4=256 & -(x^4)=-256

    • one year ago
  6. Yahoo!
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    becoz instead of x u r giving 4

    • one year ago
  7. TheViper
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    Does that help @moongazer ??

    • one year ago
  8. Yahoo!
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    -4 * -4 * -4 * -4=

    • one year ago
  9. TheViper
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    Becoz according to BODMAS rule first we solve brackets :)

    • one year ago
  10. moongazer
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    so -x^4 = -256 is correct right?

    • one year ago
  11. Yahoo!
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    but it is like this (-4)^4

    • one year ago
  12. moongazer
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    But there is no parenthesis ?

    • one year ago
  13. moongazer
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    so it is like -1(x)^4

    • one year ago
  14. Yahoo!
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    or wat is -x*-x*-x*-x

    • one year ago
  15. Yahoo!
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    nw give x=4

    • one year ago
  16. Yahoo!
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    wat will the answer

    • one year ago
  17. TheViper
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    BODMAS :- http://www.mathsisfun.com/operation-order-bodmas.html PEMDAS :- http://www.purplemath.com/modules/orderops.htm

    • one year ago
  18. Yahoo!
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    just think like that

    • one year ago
  19. Yahoo!
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    -x^4=-x*-x*-x*-x

    • one year ago
  20. moongazer
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    isn't that \[-4^2 \neq (-4)^2\]

    • one year ago
  21. moongazer
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    ???

    • one year ago
  22. Yahoo!
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    why both r same

    • one year ago
  23. moongazer
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    no it is not

    • one year ago
  24. Yahoo!
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    why>>>>>>

    • one year ago
  25. moongazer
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    http://www.wolframalpha.com/input/?i=-4%5E2

    • one year ago
  26. Yahoo!
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    ok.....@moongazer nw tell is this correct or not -x^4=-x*-x*-x*-x

    • one year ago
  27. moongazer
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    http://www.wolframalpha.com/input/?i=%28-4%29%5E2

    • one year ago
  28. Yahoo!
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    @moongazer

    • one year ago
  29. moongazer
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    That is wrong I think.

    • one year ago
  30. lgbasallote
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    -x^4 = -256 for the record...

    • one year ago
  31. apple_pi
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    indeed

    • one year ago
  32. moongazer
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    that's the question I am asking :)

    • one year ago
  33. lgbasallote
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    so i guess it's down to a 2-on-2

    • one year ago
  34. Yahoo!
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    why //

    • one year ago
  35. Yahoo!
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    @lgbasallote -x^4=-x*-x*-x*-x

    • one year ago
  36. apple_pi
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    @Yahoo! this is -(x^4) not (-x)^4

    • one year ago
  37. lgbasallote
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    because the exponent just affects the nearest base

    • one year ago
  38. Yahoo!
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    look his question it is just -x^4

    • one year ago
  39. lgbasallote
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    exactly

    • one year ago
  40. lgbasallote
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    the ^4 is just on x...not on - too

    • one year ago
  41. moongazer
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    because -x^4 is like -1(x)^4 not (-x)^4 I think this is the explanation?

    • one year ago
  42. Yahoo!
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    i would say if (-x)^4=256 & -(x^4)=-256

    • one year ago
  43. lgbasallote
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    -x^4 = -(x^4)

    • one year ago
  44. Yahoo!
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    so wat is -2^2

    • one year ago
  45. lgbasallote
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    -4

    • one year ago
  46. moongazer
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    @Yahoo! (-1)(4) so -4

    • one year ago
  47. apple_pi
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    -2^2 = -1 (2^2) = -1 * 4 = -4

    • one year ago
  48. lgbasallote
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    let this be an end to these skepticisms http://www.wolframalpha.com/input/?i=-4%5E4

    • one year ago
  49. apple_pi
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    when there is a minus, do all the stuff before minusing

    • one year ago
  50. Yahoo!
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    hey ..... it is like this (-x)^4=256 & -(x^4)=-256

    • one year ago
  51. Yahoo!
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    nop visit http://www.wolframalpha.com/input/?i=%28-4%29^4

    • one year ago
  52. Yahoo!
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    http://www.wolframalpha.com/input/?i=-2^2

    • one year ago
  53. Yahoo!
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    (-x)^4=256 -x^4 = -256 ................ agreed

    • one year ago
  54. lgbasallote
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    lol

    • one year ago
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